Note 5 - Loans and Allowance for Loan Losses - Acquired Loans (Details) - USD ($)
$ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Carrying amount of acquired loans |
$ 2,409,047
|
$ 1,739,214
|
| Commercial Portfolio Segment [Member] |
|
|
| Carrying amount of acquired loans |
1,893,762
|
1,256,965
|
| Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |
|
|
| Carrying amount of acquired loans |
387,401
|
246,907
|
| Commercial Portfolio Segment [Member] | Commercial Real Estate Owner Occupied [Member] |
|
|
| Carrying amount of acquired loans |
367,553
|
331,222
|
| Commercial Portfolio Segment [Member] | Commercial Real Estate Investor Income Producing [Member] |
|
|
| Carrying amount of acquired loans |
743,107
|
506,110
|
| Commercial Portfolio Segment [Member] | AC&D - 1 - 4 Family Construction [Member] |
|
|
| Carrying amount of acquired loans |
82,707
|
32,262
|
| Commercial Portfolio Segment [Member] | AC&D - Lots, Land, & Development [Member] |
|
|
| Carrying amount of acquired loans |
105,362
|
44,411
|
| Commercial Portfolio Segment [Member] | AC&D - CRE [Member] |
|
|
| Carrying amount of acquired loans |
194,732
|
87,452
|
| Commercial Portfolio Segment [Member] | Other Commercial [Member] |
|
|
| Carrying amount of acquired loans |
12,899
|
8,601
|
| Consumer Portfolio Segment [Member] |
|
|
| Carrying amount of acquired loans |
515,285
|
482,249
|
| Consumer Portfolio Segment [Member] | Residential Mortgage Loans [Member] |
|
|
| Carrying amount of acquired loans |
260,521
|
223,884
|
| Consumer Portfolio Segment [Member] | Home Equity Lines of Credit [Member] |
|
|
| Carrying amount of acquired loans |
176,799
|
157,378
|
| Consumer Portfolio Segment [Member] | Residential Construction [Member] |
|
|
| Carrying amount of acquired loans |
59,061
|
72,171
|
| Consumer Portfolio Segment [Member] | Other Loans to Individuals [Member] |
|
|
| Carrying amount of acquired loans |
18,905
|
28,816
|
| Purchased Credit Impaired Loans [Member] |
|
|
| Outstanding principal balance |
109,805
|
120,958
|
| Carrying amount of acquired loans |
85,455
|
94,917
|
| Purchased Credit Impaired Loans [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |
|
|
| Carrying amount of acquired loans |
3,920
|
4,825
|
| Purchased Credit Impaired Loans [Member] | Commercial Portfolio Segment [Member] | Commercial Real Estate Owner Occupied [Member] |
|
|
| Carrying amount of acquired loans |
15,401
|
21,388
|
| Purchased Credit Impaired Loans [Member] | Commercial Portfolio Segment [Member] | Commercial Real Estate Investor Income Producing [Member] |
|
|
| Carrying amount of acquired loans |
30,700
|
32,371
|
| Purchased Credit Impaired Loans [Member] | Commercial Portfolio Segment [Member] | AC&D - 1 - 4 Family Construction [Member] |
|
|
| Carrying amount of acquired loans |
0
|
465
|
| Purchased Credit Impaired Loans [Member] | Commercial Portfolio Segment [Member] | AC&D - Lots, Land, & Development [Member] |
|
|
| Carrying amount of acquired loans |
8,074
|
4,797
|
| Purchased Credit Impaired Loans [Member] | Commercial Portfolio Segment [Member] | AC&D - CRE [Member] |
|
|
| Carrying amount of acquired loans |
0
|
0
|
| Purchased Credit Impaired Loans [Member] | Commercial Portfolio Segment [Member] | Other Commercial [Member] |
|
|
| Carrying amount of acquired loans |
1,962
|
1,870
|
| Purchased Credit Impaired Loans [Member] | Consumer Portfolio Segment [Member] | Residential Mortgage Loans [Member] |
|
|
| Carrying amount of acquired loans |
21,472
|
23,420
|
| Purchased Credit Impaired Loans [Member] | Consumer Portfolio Segment [Member] | Home Equity Lines of Credit [Member] |
|
|
| Carrying amount of acquired loans |
1,088
|
1,580
|
| Purchased Credit Impaired Loans [Member] | Consumer Portfolio Segment [Member] | Residential Construction [Member] |
|
|
| Carrying amount of acquired loans |
2,470
|
3,685
|
| Purchased Credit Impaired Loans [Member] | Consumer Portfolio Segment [Member] | Other Loans to Individuals [Member] |
|
|
| Carrying amount of acquired loans |
368
|
516
|
| Purchased Performing Loans [Member] |
|
|
| Outstanding principal balance |
542,269
|
282,081
|
| Carrying amount of acquired loans |
538,844
|
283,738
|
| Purchased Performing Loans [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |
|
|
| Carrying amount of acquired loans |
47,958
|
6,345
|
| Purchased Performing Loans [Member] | Commercial Portfolio Segment [Member] | Commercial Real Estate Owner Occupied [Member] |
|
|
| Carrying amount of acquired loans |
95,891
|
82,204
|
| Purchased Performing Loans [Member] | Commercial Portfolio Segment [Member] | Commercial Real Estate Investor Income Producing [Member] |
|
|
| Carrying amount of acquired loans |
191,681
|
49,105
|
| Purchased Performing Loans [Member] | Commercial Portfolio Segment [Member] | AC&D - 1 - 4 Family Construction [Member] |
|
|
| Carrying amount of acquired loans |
14,336
|
0
|
| Purchased Performing Loans [Member] | Commercial Portfolio Segment [Member] | AC&D - Lots, Land, & Development [Member] |
|
|
| Carrying amount of acquired loans |
33,700
|
3,432
|
| Purchased Performing Loans [Member] | Commercial Portfolio Segment [Member] | AC&D - CRE [Member] |
|
|
| Carrying amount of acquired loans |
17,267
|
0
|
| Purchased Performing Loans [Member] | Commercial Portfolio Segment [Member] | Other Commercial [Member] |
|
|
| Carrying amount of acquired loans |
1,286
|
333
|
| Purchased Performing Loans [Member] | Consumer Portfolio Segment [Member] | Residential Mortgage Loans [Member] |
|
|
| Carrying amount of acquired loans |
60,880
|
69,632
|
| Purchased Performing Loans [Member] | Consumer Portfolio Segment [Member] | Home Equity Lines of Credit [Member] |
|
|
| Carrying amount of acquired loans |
73,870
|
69,577
|
| Purchased Performing Loans [Member] | Consumer Portfolio Segment [Member] | Residential Construction [Member] |
|
|
| Carrying amount of acquired loans |
908
|
1,642
|
| Purchased Performing Loans [Member] | Consumer Portfolio Segment [Member] | Other Loans to Individuals [Member] |
|
|
| Carrying amount of acquired loans |
1,067
|
1,468
|
| Purchased Loans [Member] |
|
|
| Outstanding principal balance |
652,074
|
403,039
|
| Carrying amount of acquired loans |
624,299
|
378,655
|
| Purchased Loans [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] |
|
|
| Carrying amount of acquired loans |
51,878
|
11,170
|
| Purchased Loans [Member] | Commercial Portfolio Segment [Member] | Commercial Real Estate Owner Occupied [Member] |
|
|
| Carrying amount of acquired loans |
111,292
|
103,592
|
| Purchased Loans [Member] | Commercial Portfolio Segment [Member] | Commercial Real Estate Investor Income Producing [Member] |
|
|
| Carrying amount of acquired loans |
222,381
|
81,476
|
| Purchased Loans [Member] | Commercial Portfolio Segment [Member] | AC&D - 1 - 4 Family Construction [Member] |
|
|
| Carrying amount of acquired loans |
14,336
|
465
|
| Purchased Loans [Member] | Commercial Portfolio Segment [Member] | AC&D - Lots, Land, & Development [Member] |
|
|
| Carrying amount of acquired loans |
41,774
|
8,229
|
| Purchased Loans [Member] | Commercial Portfolio Segment [Member] | AC&D - CRE [Member] |
|
|
| Carrying amount of acquired loans |
17,267
|
|
| Purchased Loans [Member] | Commercial Portfolio Segment [Member] | Other Commercial [Member] |
|
|
| Carrying amount of acquired loans |
3,248
|
2,203
|
| Purchased Loans [Member] | Consumer Portfolio Segment [Member] | Residential Mortgage Loans [Member] |
|
|
| Carrying amount of acquired loans |
82,352
|
93,052
|
| Purchased Loans [Member] | Consumer Portfolio Segment [Member] | Home Equity Lines of Credit [Member] |
|
|
| Carrying amount of acquired loans |
74,958
|
71,157
|
| Purchased Loans [Member] | Consumer Portfolio Segment [Member] | Residential Construction [Member] |
|
|
| Carrying amount of acquired loans |
3,378
|
5,327
|
| Purchased Loans [Member] | Consumer Portfolio Segment [Member] | Other Loans to Individuals [Member] |
|
|
| Carrying amount of acquired loans |
$ 1,435
|
$ 1,984
|