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Note 4 - Loans and Allowance for Loan Losses (Details) - Retail Credit Risk by Collateral Type (USD $)
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Dec. 31, 2014
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Dec. 31, 2013
|
Dec. 31, 2012
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| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Total retail |
$ 2,089,277,000 |
$ 1,053,243,000 |
$ 1,041,189,000 |
| Originated Loan [Member] | Retail Home Equity and Other [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Total retail |
50,059,000 |
35,080,000 |
|
| Originated Loan [Member] | Retail 1-4 Family Mortgages [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Total retail |
42,868,000 |
31,467,000 |
|
| Originated Loan [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Total retail |
1,246,116,000 |
1,053,243,000 |
|
| Acquired Loan [Member] | Retail Home Equity and Other [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Total retail |
109,219,000 |
0 |
|
| Acquired Loan [Member] | Retail 1-4 Family Mortgages [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Total retail |
171,828,000 |
0 |
|
| Acquired Loan [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Total retail |
843,161,000 |
0 |
|
| Retail Home Equity and Other [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Total retail |
159,278,000 |
35,080,000 |
|
| Retail 1-4 Family Mortgages [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Total retail |
$ 214,696,000 |
$ 31,467,000 |
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