Note 5 - Loans and Allowance for Loan Losses (Tables)
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12 Months Ended |
Dec. 31, 2016 |
| Notes Tables |
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| Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commercial and industrial | | $ | 3,920 | | | $ | 383,481 | | | $ | 387,401 | | | $ | 4,825 | | | $ | 242,082 | | | $ | 246,907 | | Commercial real estate (CRE) - owner-occupied | | | 15,401 | | | | 352,152 | | | | 367,553 | | | | 21,388 | | | | 309,834 | | | | 331,222 | | CRE - investor income producing | | | 30,700 | | | | 712,407 | | | | 743,107 | | | | 32,371 | | | | 473,739 | | | | 506,110 | | AC&D - 1-4 family construction | | | - | | | | 82,707 | | | | 82,707 | | | | 465 | | | | 31,797 | | | | 32,262 | | AC&D - lots, land, & development | | | 8,074 | | | | 97,288 | | | | 105,362 | | | | 4,797 | | | | 39,614 | | | | 44,411 | | | | | | - | | | | 194,732 | | | | 194,732 | | | | - | | | | 87,452 | | | | 87,452 | | | | | | 1,962 | | | | 10,938 | | | | 12,900 | | | | 1,870 | | | | 6,731 | | | | 8,601 | | | | | | 60,057 | | | | 1,833,705 | | | | 1,893,762 | | | | 65,716 | | | | 1,191,249 | | | | 1,256,965 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 21,472 | | | | 239,049 | | | | 260,521 | | | | 23,420 | | | | 200,464 | | | | 223,884 | | Home equity lines of credit (HELOC) | | | 1,088 | | | | 175,711 | | | | 176,799 | | | | 1,580 | | | | 155,798 | | | | 157,378 | | | | | | 2,470 | | | | 56,590 | | | | 59,060 | | | | 3,685 | | | | 68,486 | | | | 72,171 | | Other loans to individuals | | | 368 | | | | 18,537 | | | | 18,905 | | | | 516 | | | | 28,300 | | | | 28,816 | | | | | | 25,398 | | | | 489,887 | | | | 515,285 | | | | 29,201 | | | | 453,048 | | | | 482,249 | | | | | | 85,455 | | | | 2,323,592 | | | | 2,409,047 | | | | 94,917 | | | | 1,644,297 | | | | 1,739,214 | | | | | | - | | | | 3,139 | | | | 3,139 | | | | - | | | | 2,601 | | | | 2,601 | | Total loans, net of deferred fees | | $ | 85,455 | | | $ | 2,326,731 | | | $ | 2,412,186 | | | $ | 94,917 | | | $ | 1,646,898 | | | $ | 1,741,815 | |
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| Schedule of Acquired Loans [Table Text Block] |
| | | | | | | | | | | | | | | | | | | | | | | | | | Outstanding principal balance | | $ | 109,805 | | | $ | 542,269 | | | $ | 652,074 | | | $ | 120,958 | | | $ | 282,081 | | | $ | 403,039 | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commercial and industrial | | | 3,920 | | | | 47,958 | | | | 51,878 | | | | 4,825 | | | | 6,345 | | | | 11,170 | | | | | | 15,401 | | | | 95,891 | | | | 111,292 | | | | 21,388 | | | | 82,204 | | | | 103,592 | | CRE - investor income producing | | | 30,700 | | | | 191,681 | | | | 222,381 | | | | 32,371 | | | | 49,105 | | | | 81,476 | | AC&D - 1-4 family construction | | | - | | | | 14,336 | | | | 14,336 | | | | 465 | | | | - | | | | 465 | | AC&D - lots, land, & development | | | 8,074 | | | | 33,700 | | | | 41,774 | | | | 4,797 | | | | 3,432 | | | | 8,229 | | | | | | - | | | | 17,267 | | | | 17,267 | | | | - | | | | - | | | | - | | | | | | 1,962 | | | | 1,286 | | | | 3,248 | | | | 1,870 | | | | 333 | | | | 2,203 | | | | | | 21,472 | | | | 60,880 | | | | 82,352 | | | | 23,420 | | | | 69,632 | | | | 93,052 | | | | | | 1,088 | | | | 73,870 | | | | 74,958 | | | | 1,580 | | | | 69,577 | | | | 71,157 | | | | | | 2,470 | | | | 908 | | | | 3,378 | | | | 3,685 | | | | 1,642 | | | | 5,327 | | Other loans to individuals | | | 368 | | | | 1,067 | | | | 1,435 | | | | 516 | | | | 1,468 | | | | 1,984 | | | | | $ | 85,455 | | | $ | 538,844 | | | $ | 624,299 | | | $ | 94,917 | | | $ | 283,738 | | | $ | 378,655 | |
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| Schedule of Credit Losses Related to Financing Receivables, Current and Noncurrent [Table Text Block] |
| | Commercial and industrial | | | | | | CRE - investor income producing | | | | | | AC&D-1-4 family construction | | | AC&D- lots, land, & development | | | | | | | | | | | | | | | | | | Other loans to individuals | | | | | For the year ended December 31, 2016 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allowance for Loan Losses, excluding PCI: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Balance, beginning of year | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | Provision for loan losses | | | | | | | | | | | | | | | | | | | | | | | | ) | | | | | | | | | | | | | | | | ) | | | | ) | | | | ) | | | | | | | | | | ) | | | | ) | | | | | | | | | | | | | | | | ) | | | | | | | | | | | | ) | | | | ) | | | | ) | | | | ) | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Net (charge-offs) recoveries | | | | ) | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ending balance | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | PCI Impairment Allowance for Loan Losses: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Balance, beginning of year | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | PCI impairment charge-offs | | | | ) | | | | | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | ) | | | | ) | | | | | | | | | | | | ) | PCI impairment recoveries | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Net PCI impairment charge-offs | | | | ) | | | | | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | ) | | | | ) | | | | | | | | | | | | ) | Reversal of PCI impairment | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Benefit attributable to FDIC loss share agreements | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total provision for loan losses charged to operations | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Provision for loan losses recorded through FDIC loss share receivable | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ending balance | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Allowance for Loan Losses | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For the year ended December 31, 2015 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allowance for Loan Losses, excluding PCI: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Balance, beginning of year | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | Provision for loan losses | | | | | | | | | | | | | | | | | | | | ) | | | | ) | | | | | | | | | | | | | | | | ) | | | | | | | | | | | | | | | | | | ) | | | | | | | | ) | | | | | | | | | | | | | | | | | | | | ) | | | | ) | | | | ) | | | | ) | | | | ) | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Net (charge-offs) recoveries | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | ) | | | | ) | | | | ) | | | | ) | | | | | | | | | Ending balance | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | PCI Impairment Allowance for Loan Losses: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Balance, beginning of year | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | PCI impairment charge-offs | | | | ) | | | | | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | ) | | | | | | | | | | | | | | | | ) | PCI impairment recoveries | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Net PCI impairment charge-offs | | | | ) | | | | | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | ) | | | | | | | | | | | | | | | | ) | Reversal of PCI impairment | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Benefit attributable to FDIC loss share agreements | | | | | | | | | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | ) | | | | | | | | | | | | | | | | ) | Total provision for loan losses charged to operations | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Provision for loan losses recorded through FDIC loss share receivable | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Ending balance | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Allowance for Loan Losses | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For the year ended December 31, 2014 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allowance for Loan Losses, excluding PCI: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Balance, beginning of year | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | Provision for loan losses | | | | ) | | | | | | | | | | | | | | | | ) | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | ) | | | | | | ) | | | | ) | | | | ) | | | | | | | | ) | | | | ) | | | | | | | | | | | | ) | | | | ) | | | | ) | | | | ) | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Net (charge-offs) recoveries | | | | | | | | | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | ) | | | | ) | | | | | | | | | Ending balance | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | PCI Impairment Allowance for Loan Losses: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Balance, beginning of year | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | PCI impairment charge-offs | | | | | | | | | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | ) | | | | ) | | | | | | | | | | | | ) | PCI impairment recoveries | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Net PCI impairment charge-offs | | | | | | | | | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | ) | | | | ) | | | | | | | | | | | | ) | PCI provision for loan losses | | | | | | | | | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ) | Benefit attributable to FDIC loss share agreements | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total provision for loan losses charged to operations | | | | | | | | | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Provision for loan losses recorded through FDIC loss share receivable | | | | | | | | | | | | ) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ) | Ending balance | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Allowance for Loan Losses | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | $ | | | | | Commercial and industrial | | | | | | CRE - investor income producing | | | AC&D | | | AC&D-1-4 family construction | | | AC&D- lots, land, & development | | | | | | | | | | | | | | | | | | Other loans to individuals | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allowance for Loan Losses: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Individually evaluated for impairment | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 178 | | | $ | 20 | | | $ | - | | | $ | 198 | | Collectively evaluated for impairment | | | 2,720 | | | | 1,286 | | | | 2,583 | | | | - | | | | 567 | | | | 526 | | | | 1,484 | | | | 126 | | | | 841 | | | | 1,213 | | | | 415 | | | | 166 | | | | 11,927 | | | | | | 2,720 | | | | 1,286 | | | | 2,583 | | | | - | | | | 567 | | | | 526 | | | | 1,484 | | | | 126 | | | | 841 | | | | 1,391 | | | | 435 | | | | 166 | | | | 12,125 | | Purchased credit-impaired | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | Total | | $ | 2,720 | | | $ | 1,286 | | | $ | 2,583 | | | $ | - | | | $ | 567 | | | $ | 526 | | | $ | 1,484 | | | $ | 126 | | | $ | 841 | | | $ | 1,391 | | | $ | 435 | | | $ | 166 | | | $ | 12,125 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Recorded Investment in Loans: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Individually evaluated for impairment | | $ | - | | | $ | 1,006 | | | $ | 1,951 | | | $ | - | | | $ | - | | | $ | 622 | | | $ | - | | | $ | 211 | | | $ | 2,014 | | | $ | 2,392 | | | $ | 243 | | | $ | - | | | $ | 8,439 | | Collectively evaluated for impairment | | | 383,481 | | | | 351,146 | | | | 710,456 | | | | - | | | | 82,707 | | | | 96,666 | | | | 194,732 | | | | 10,727 | | | | 237,035 | | | | 173,319 | | | | 56,347 | | | | 18,537 | | | | 2,315,153 | | | | | | 383,481 | | | | 352,152 | | | | 712,407 | | | | - | | | | 82,707 | | | | 97,288 | | | | 194,732 | | | | 10,938 | | | | 239,049 | | | | 175,711 | | | | 56,590 | | | | 18,537 | | | | 2,323,592 | | Purchased credit-impaired | | | 3,920 | | | | 15,401 | | | | 30,700 | | | | - | | | | - | | | | 8,074 | | | | - | | | | 1,962 | | | | 21,472 | | | | 1,088 | | | | 2,470 | | | | 368 | | | | 85,455 | | | Total | | $ | 387,401 | | | $ | 367,553 | | | $ | 743,107 | | | $ | - | | | $ | 82,707 | | | $ | 105,362 | | | $ | 194,732 | | | $ | 12,900 | | | $ | 260,521 | | | $ | 176,799 | | | $ | 59,060 | | | $ | 18,905 | | | $ | 2,409,047 | | | | Commercial and industrial | | | | | | CRE - investor income producing | | | AC&D | | | AC&D-1-4 family construction | | | AC&D- lots, land, & development | | | | | | | | | | | | | | | | | | Other loans to individuals | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allowance for Loan Losses: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Individually evaluated for impairment | | $ | - | | | $ | - | | | $ | - | | | # | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 192 | | | $ | - | | | $ | - | | | $ | 192 | | Collectively evaluated for impairment | | | 1,821 | | | | 1,135 | | | | 2,099 | | | | - | | | | 247 | | | | 278 | | | | 679 | | | | 69 | | | | 672 | | | | 1,145 | | | | 461 | | | | 266 | | | | 8,872 | | | | | | 1,821 | | | | 1,135 | | | | 2,099 | | | | - | | | | 247 | | | | 278 | | | | 679 | | | | 69 | | | | 672 | | | | 1,337 | | | | 461 | | | | 266 | | | | 9,064 | | Purchased credit-impaired | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | Total | | $ | 1,821 | | | $ | 1,135 | | | $ | 2,099 | | | $ | - | | | $ | 247 | | | $ | 278 | | | $ | 679 | | | $ | 69 | | | $ | 672 | | | $ | 1,337 | | | $ | 461 | | | $ | 266 | | | $ | 9,064 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Recorded Investment in Loans: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Individually evaluated for impairment | | $ | - | | | $ | 1,266 | | | $ | 440 | | | $ | - | | | $ | - | | | $ | 723 | | | $ | - | | | $ | - | | | $ | 1,304 | | | $ | 1,381 | | | $ | 238 | | | $ | - | | | $ | 5,352 | | Collectively evaluated for impairment | | | 242,082 | | | | 308,568 | | | | 473,299 | | | | - | | | | 31,797 | | | | 38,891 | | | | 87,452 | | | | 6,731 | | | | 199,160 | | | | 154,417 | | | | 68,248 | | | | 28,300 | | | | 1,638,945 | | | | | | 242,082 | | | | 309,834 | | | | 473,739 | | | | - | | | | 31,797 | | | | 39,614 | | | | 87,452 | | | | 6,731 | | | | 200,464 | | | | 155,798 | | | | 68,486 | | | | 28,300 | | | | 1,644,297 | | Purchased credit-impaired | | | 4,825 | | | | 21,388 | | | | 32,371 | | | | - | | | | 465 | | | | 4,797 | | | | - | | | | 1,870 | | | | 23,420 | | | | 1,580 | | | | 3,685 | | | | 516 | | | | 94,917 | | | Total | | $ | 246,907 | | | $ | 331,222 | | | $ | 506,110 | | | $ | - | | | $ | 32,262 | | | $ | 44,411 | | | $ | 87,452 | | | $ | 8,601 | | | $ | 223,884 | | | $ | 157,378 | | | $ | 72,171 | | | $ | 28,816 | | | $ | 1,739,214 | |
|
| Financing Receivable Credit Quality Indicators [Table Text Block] |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | 378,592 | | | $ | 356,215 | | | $ | 735,698 | | | $ | 82,708 | | | $ | 102,147 | | | $ | 194,733 | | | $ | 12,568 | | | $ | 1,862,661 | | | | | | 7,229 | | | | 7,779 | | | | 3,276 | | | | - | | | | 2,727 | | | | - | | | | - | | | | 21,011 | | | | | | 1,580 | | | | 3,560 | | | | 4,133 | | | | - | | | | 489 | | | | - | | | | 331 | | | | 10,093 | | | | | $ | 387,401 | | | $ | 367,554 | | | $ | 743,107 | | | $ | 82,708 | | | $ | 105,363 | | | $ | 194,733 | | | $ | 12,899 | | | $ | 1,893,765 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | 252,934 | | | $ | 168,461 | | | $ | 58,487 | | | $ | 18,712 | | | | | | | | | | | | | | | $ | 498,594 | | | | | | 4,707 | | | | 5,732 | | | | 312 | | | | 14 | | | | | | | | | | | | | | | | 10,765 | | | | | | 2,880 | | | | 2,607 | | | | 262 | | | | 180 | | | | | | | | | | | | | | | | 5,929 | | | | | $ | 260,521 | | | $ | 176,800 | | | $ | 59,061 | | | $ | 18,906 | | | | | | | | | | | | | | | $ | 515,288 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | 2,409,053 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | 243,228 | | | $ | 316,706 | | | $ | 500,964 | | | $ | 32,262 | | | $ | 43,454 | | | $ | 87,452 | | | $ | 8,467 | | | $ | 1,232,533 | | | | | | 3,571 | | | | 11,986 | | | | 3,824 | | | | - | | | | 404 | | | | - | | | | - | | | | 19,785 | | | | | | 108 | | | | 2,530 | | | | 1,322 | | | | - | | | | 553 | | | | - | | | | 134 | | | | 4,647 | | | | | $ | 246,907 | | | $ | 331,222 | | | $ | 506,110 | | | $ | 32,262 | | | $ | 44,411 | | | $ | 87,452 | | | $ | 8,601 | | | $ | 1,256,965 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | 217,463 | | | $ | 150,217 | | | $ | 71,225 | | | $ | 28,762 | | | | | | | | | | | | | | | $ | 467,667 | | | | | | 4,690 | | | | 6,213 | | | | 457 | | | | 23 | | | | | | | | | | | | | | | | 11,383 | | | | | | 1,731 | | | | 948 | | | | 489 | | | | 31 | | | | | | | | | | | | | | | | 3,199 | | | | | $ | 223,884 | | | $ | 157,378 | | | $ | 72,171 | | | $ | 28,816 | | | | | | | | | | | | | | | $ | 482,249 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | 1,739,214 | |
|
| Past Due Financing Receivables [Table Text Block] |
| | 30-59 | | | 60-89 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commercial and industrial | | $ | 587 | | | $ | 7 | | | $ | 167 | | | $ | 3,920 | | | $ | 382,720 | | | $ | 387,401 | | | | | | - | | | | - | | | | 385 | | | | 15,401 | | | | 351,767 | | | | 367,553 | | CRE - investor income producing | | | 169 | | | | 1,391 | | | | 1,826 | | | | 30,700 | | | | 709,021 | | | | 743,107 | | AC&D - 1-4 family construction | | | - | | | | - | | | | - | | | | - | | | | 82,707 | | | | 82,707 | | AC&D - lots, land, & development | | | - | | | | - | | | | - | | | | 8,074 | | | | 97,288 | | | | 105,362 | | | | | | - | | | | - | | | | - | | | | - | | | | 194,732 | | | | 194,732 | | | | | | - | | | | - | | | | 211 | | | | 1,962 | | | | 10,727 | | | | 12,900 | | | | | | 756 | | | | 1,398 | | | | 2,589 | | | | 60,057 | | | | 1,828,962 | | | | 1,893,762 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 328 | | | | 69 | | | | 2,940 | | | | 21,472 | | | | 235,712 | | | | 260,521 | | | | | | 80 | | | | 1,176 | | | | 886 | | | | 1,088 | | | | 173,569 | | | | 176,799 | | | | | | 8 | | | | 335 | | | | 509 | | | | 2,470 | | | | 55,738 | | | | 59,060 | | Other loans to individuals | | | 46 | | | | 3 | | | | 24 | | | | 368 | | | | 18,464 | | | | 18,905 | | | | | | 462 | | | | 1,583 | | | | 4,359 | | | | 25,398 | | | | 483,483 | | | | 515,285 | | | | | $ | 1,218 | | | $ | 2,981 | | | $ | 6,948 | | | $ | 85,455 | | | $ | 2,312,445 | | | $ | 2,409,047 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commercial and industrial | | $ | 18 | | | $ | 28 | | | $ | 78 | | | $ | 4,825 | | | $ | 241,958 | | | $ | 246,907 | | | | | | 1,273 | | | | - | | | | 176 | | | | 21,388 | | | | 308,385 | | | | 331,222 | | CRE - investor income producing | | | - | | | | - | | | | 1,369 | | | | 32,371 | | | | 472,370 | | | | 506,110 | | AC&D - 1-4 family construction | | | - | | | | - | | | | - | | | | 465 | | | | 31,797 | | | | 32,262 | | AC&D - lots, land, & development | | | - | | | | - | | | | - | | | | 4,797 | | | | 39,614 | | | | 44,411 | | | | | | - | | | | - | | | | - | | | | - | | | | 87,452 | | | | 87,452 | | | | | | - | | | | 212 | | | | - | | | | 1,870 | | | | 6,519 | | | | 8,601 | | | | | | 1,291 | | | | 240 | | | | 1,623 | | | | 65,716 | | | | 1,188,095 | | | | 1,256,965 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 48 | | | | 1,037 | | | | 1,023 | | | | 23,420 | | | | 198,356 | | | | 223,884 | | | | | | 132 | | | | 139 | | | | 204 | | | | 1,580 | | | | 155,323 | | | | 157,378 | | | | | | 12 | | | | - | | | | 306 | | | | 3,685 | | | | 68,168 | | | | 72,171 | | Other loans to individuals | | | 284 | | | | 51 | | | | - | | | | 516 | | | | 27,965 | | | | 28,816 | | | | | | 476 | | | | 1,227 | | | | 1,533 | | | | 29,201 | | | | 449,812 | | | | 482,249 | | | | | $ | 1,767 | | | $ | 1,467 | | | $ | 3,156 | | | $ | 94,917 | | | $ | 1,637,907 | | | $ | 1,739,214 | |
|
| Allowance for Credit Losses on Financing Receivables [Table Text Block] |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impaired Loans with No Related Allowance Recorded: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commercial and industrial | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | | | | 995 | | | | 1,078 | | | | - | | | | 1,266 | | | | 1,312 | | | | - | | CRE - investor income producing | | | 1,481 | | | | 1,489 | | | | - | | | | 440 | | | | 440 | | | | - | | AC&D - lots, land, & development | | | 622 | | | | 748 | | | | - | | | | 723 | | | | 842 | | | | - | | | | | | 211 | | | | 211 | | | | - | | | | - | | | | - | | | | - | | | | | | 3,309 | | | | 3,526 | | | | - | | | | 2,429 | | | | 2,594 | | | | - | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2,052 | | | | 2,077 | | | | - | | | | 1,304 | | | | 1,339 | | | | - | | | | | | 1,183 | | | | 1,190 | | | | - | | | | 157 | | | | 278 | | | | - | | | | | | - | | | | - | | | | - | | | | 238 | | | | 376 | | | | - | | | | | | 3,235 | | | | 3,267 | | | | - | | | | 1,699 | | | | 1,993 | | | | - | | Total impaired loans with no related allowance recorded | | $ | 6,544 | | | $ | 6,793 | | | $ | - | | | $ | 4,128 | | | $ | 4,587 | | | $ | - | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impaired Loans with an Allowance Recorded: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commercial and industrial | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | CRE - investor income producing | | | 463 | | | | 463 | | | | 2 | | | | - | | | | - | | | | - | | AC&D - lots, land, & development | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | | | 463 | | | | 463 | | | | 2 | | | | - | | | | - | | | | - | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | | | 1,224 | | | | 1,248 | | | | 176 | | | | 1,224 | | | | 1,248 | | | | 192 | | | | | | 243 | | | | 243 | | | | 20 | | | | - | | | | - | | | | - | | Other loans to individuals | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | | | 1,467 | | | | 1,491 | | | | 196 | | | | 1,224 | | | | 1,248 | | | | 192 | | Total impaired loans with an allowance recorded | | $ | 1,930 | | | $ | 1,954 | | | $ | 198 | | | $ | 1,224 | | | $ | 1,248 | | | $ | 192 | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Impaired Loans Individually | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commercial and industrial | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | | | | 995 | | | | 1,078 | | | | - | | | | 1,266 | | | | 1,312 | | | | - | | CRE - investor income producing | | | 1,944 | | | | 1,952 | | | | 2 | | | | 440 | | | | 440 | | | | - | | AC&D - lots, land, & development | | | 622 | | | | 748 | | | | - | | | | 723 | | | | 842 | | | | - | | | | | | 211 | | | | 211 | | | | - | | | | - | | | | - | | | | - | | | | | | 3,772 | | | | 3,989 | | | | 2 | | | | 2,429 | | | | 2,594 | | | | - | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2,052 | | | | 2,077 | | | | - | | | | 1,304 | | | | 1,339 | | | | - | | | | | | 2,407 | | | | 2,438 | | | | 176 | | | | 1,381 | | | | 1,526 | | | | 192 | | | | | | 243 | | | | 243 | | | | 20 | | | | 238 | | | | 376 | | | | - | | Other loans to individuals | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | | | 4,702 | | | | 4,758 | | | | 196 | | | | 2,923 | | | | 3,241 | | | | 192 | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Impaired Loans Individually | | $ | 8,474 | | | $ | 8,747 | | | $ | 198 | | | $ | 5,352 | | | $ | 5,835 | | | $ | 192 | |
|
| Impaired Financing Receivables [Table Text Block] |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impaired Loans with No Related | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commercial and industrial | | $ | 180 | | | $ | - | | | $ | - | | | $ | - | | | $ | 382 | | | $ | 19 | | | | | | 1,125 | | | | 7 | | | | 2,082 | | | | - | | | | 2,090 | | | | 54 | | CRE - investor income producing | | | 1,125 | | | | - | | | | 567 | | | | 23 | | | | 620 | | | | 24 | | AC&D - lots, land, & development | | | 675 | | | | 36 | | | | 896 | | | | 52 | | | | 1,034 | | | | 98 | | | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | | | | | 169 | | | | 8 | | | | - | | | | - | | | | 60 | | | | 4 | | | | | | 3,274 | | | | 51 | | | | 3,545 | | | | 75 | | | | 4,186 | | | | 199 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1,855 | | | | 22 | | | | 941 | | | | 5 | | | | 1,689 | | | | 31 | | | | | | 522 | | | | 1 | | | | 381 | | | | 9 | | | | 1,390 | | | | 19 | | | | | | 105 | | | | - | | | | 260 | | | | - | | | | 80 | | | | - | | Other loans to individuals | | | - | | | | - | | | | - | | | | - | | | | 23 | | | | 1 | | | | | | 2,482 | | | | 23 | | | | 1,582 | | | | 14 | | | | 3,182 | | | | 51 | | Total impaired loans with no related allowance recorded | | $ | 5,756 | | | $ | 74 | | | $ | 5,127 | | | $ | 89 | | | $ | 7,368 | | | $ | 250 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commercial and industrial | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 224 | | | $ | - | | | | | | - | | | | - | | | | - | | | | - | | | | 695 | | | | 20 | | CRE - investor income producing | | | 187 | | | | 23 | | | | - | | | | - | | | | 1,052 | | | | 9 | | AC&D - 1-4 family construction | | | - | | | | - | | | | - | | | | - | | | | 19 | | | | - | | AC&D - lots, land, & development | | | - | | | | - | | | | 73 | | | | 3 | | | | 243 | | | | 16 | | | | | | - | | | | - | | | | - | | | | - | | | | 176 | | | | 8 | | | | | | 187 | | | | 23 | | | | 73 | | | | 3 | | | | 2,409 | | | | 53 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 55 | | | | - | | | | 542 | | | | 18 | | | | 1,825 | | | | 42 | | | | | | 1,225 | | | | 41 | | | | 1,225 | | | | 41 | | | | 1,597 | | | | 29 | | | | | | 145 | | | | - | | | | - | | | | - | | | | 267 | | | | 1 | | Other loans to individuals | | | - | | | | - | | | | - | | | | - | | | | 42 | | | | 4 | | | | | | 1,425 | | | | 41 | | | | 1,767 | | | | 59 | | | | 3,731 | | | | 76 | | Total impaired loans with an allowance recorded | | $ | 1,612 | | | $ | 64 | | | $ | 1,840 | | | $ | 62 | | | $ | 6,140 | | | $ | 129 | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Impaired Loans Individually | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commercial and industrial | | $ | 180 | | | $ | - | | | $ | - | | | $ | - | | | $ | 606 | | | $ | 19 | | | | | | 1,125 | | | | 7 | | | | 2,082 | | | | - | | | | 2,785 | | | | 74 | | CRE - investor income producing | | | 1,312 | | | | 23 | | | | 567 | | | | 23 | | | | 1,672 | | | | 33 | | AC&D - 1-4 family construction | | | - | | | | - | | | | - | | | | - | | | | 19 | | | | | | AC&D - lots, land, & development | | | 675 | | | | 36 | | | | 969 | | | | 55 | | | | 1277 | | | | 114 | | | | | | 169 | | | | 8 | | | | - | | | | - | | | | 236 | | | | 12 | | | | | | 3,461 | | | | 74 | | | | 3,618 | | | | 78 | | | | 6,595 | | | | 252 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1,910 | | | | 22 | | | | 1,483 | | | | 23 | | | | 3,514 | | | | 73 | | | | | | 1,747 | | | | 42 | | | | 1,606 | | | | 50 | | | | 2,987 | | | | 48 | | | | | | 250 | | | | - | | | | 260 | | | | - | | | | 347 | | | | 1 | | Other loans to individuals | | | - | | | | - | | | | - | | | | - | | | | 65 | | | | 5 | | | | | | 3,907 | | | | 64 | | | | 3,349 | | | | 73 | | | | 6,913 | | | | 127 | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Impaired Loans Individually | | $ | 7,368 | | | $ | 138 | | | $ | 6,967 | | | $ | 151 | | | $ | 13,508 | | | $ | 379 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | - | | | $ | - | | | $ | 2,798 | | | $ | 39 | | | $ | - | | | $ | - | |
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| Schedule of Financing Receivables, Non Accrual Status [Table Text Block] |
| | | | | | | | | | | | | | | | | Commercial and industrial | | $ | 167 | | | $ | 97 | | | | | | 1,085 | | | | 1,266 | | CRE - investor income producing | | | 2,193 | | | | 318 | | AC&D - lots, land, & development | | | 33 | | | | 6 | | | | | | 210 | | | | - | | | | | | 3,688 | | | | 1,687 | | | | | | | | | | | | | | | | 2,458 | | | | 1,333 | | | | | | 2,312 | | | | 762 | | | | | | 242 | | | | 467 | | Other loans to individuals | | | 119 | | | | 77 | | | | | | 5,131 | | | | 2,639 | | | | | $ | 8,819 | | | $ | 4,326 | |
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| Schedule of Purchased Credit Impaired Loans [Table Text Block] |
| | | | | | | | | | Contractual principal and interest at acquisition | | $ | 23,023 | | | | | | (3,120 | ) | Expected cash flows at acquisition | | | 19,903 | | | | | | (1,663 | ) | | | | | | | Basis in PCI loans at acquisition - estimated fair value | | $ | 18,240 | |
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| Summary of Changes in Accretable Yield for Purchased Credit Impaired Loans [Table Text Block] |
| | | | | | | | | | | | | Accretable yield, beginning of year | | $ | 32,509 | | | $ | 40,540 | | | $ | 39,249 | | Addition from acquisitions | | | 1,663 | | | | - | | | | 5,589 | | | | | | (11,247 | ) | | | (12,603 | ) | | | (15,766 | ) | Reclassification of nonaccretable difference due to improvement in expected cash flows | | | 5,135 | | | | 4,258 | | | | 9,886 | | | | | | 1,548 | | | | 314 | | | | 1,582 | | Accretable yield, end of year | | $ | 29,608 | | | $ | 32,509 | | | $ | 40,540 | |
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| Troubled Debt Restructurings on Financing Receivables [Table Text Block] |
| | | | | | | | | | | | | | | | | | | | | | | | | | | Below market interest rate: | | | | | | | | | | | | | | | | | | | | | | | | | AC&D- lots, land & development | | | 1 | | | $ | 226 | | | $ | 166 | | | | - | | | $ | - | | | $ | - | | | | | | 1 | | | | 226 | | | | 166 | | | | - | | | | - | | | | - | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | AC&D- lots, land & development | | | 1 | | | $ | 407 | | | $ | 456 | | | | - | | | $ | - | | | $ | - | | Commercial and industrial | | | - | | | | - | | | | - | | | | 1 | | | | 15 | | | | 15 | | | | | | - | | | | - | | | | - | | | | 1 | | | | 206 | | | | 206 | | CRE- investor income producing | | | 1 | | | | 92 | | | | 86 | | | | 1 | | | | 84 | | | | 84 | | | | | | 1 | | | | 165 | | | | 120 | | | | - | | | | - | | | | - | | | | | | 1 | | | | 823 | | | | 552 | | | | 1 | | | | 12 | | | | 12 | | | | | | 1 | | | | 1,250 | | | | 1,224 | | | | - | | | | - | | | | - | | | | | | 5 | | | | 2,737 | | | | 2,438 | | | | 4 | | | | 317 | | | | 317 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 6 | | | $ | 2,963 | | | $ | 2,604 | | | | 4 | | | $ | 317 | | | $ | 317 | |
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| Troubled Debt Restructurings With Subsequent Payment Default [Table Text Block] |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CRE- investor income producing | | | - | | | $ | - | | | | 1 | | | $ | 84 | | | | | | 1 | | | $ | 202 | | | | - | | | $ | - | | | | | | - | | | | - | | | | 1 | | | | 12 | | | | | | 1 | | | $ | 202 | | | | 2 | | | $ | 96 | |
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| Troubled Debt Restructuring Outcomes [Table Text Block] |
| | Twelve Months Ended December 31, 2016 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - | | | $ | - | | | | 6 | | | $ | 2,606 | | | | 2 | | | $ | 286 | | | | | | - | | | $ | - | | | | 6 | | | $ | 2,606 | | | | 2 | | | $ | 286 | | | | Twelve Months Ended December 31, 2015 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - | | | | - | | | | 2 | | | | 221 | | | | 2 | | | | 96 | | | | | | - | | | $ | - | | | | 2 | | | $ | 221 | | | | 2 | | | $ | 96 | |
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| Schedule of Related Party Transactions [Table Text Block] |
| | | | | | | Balance, beginning of year | | $ | 14,404 | | | $ | 14,040 | | | | | | 2,806 | | | | 4,187 | | | | | | (1,777 | ) | | | (3,823 | ) | | | | $ | 15,433 | | | $ | 14,404 | |
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