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Note 1 - Basis of Presentation and Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
Accounting Standards Update 2016-13 [Member] |
Notes Tables |
Accounting Standards Update and Change in Accounting Principle [Table Text Block] |
|  | January 1, 2021 |  |
|  | As Reported |  |  | Pre- |  |  | Impact of |  |
|  | Under |  |  | ASU 2016-13 |  |  | ASU 2016-13 |  |
|  | ASU 2016-13 |  |  | Adoption |  |  | Adoption |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Non-covered loans held for investment |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for credit losses on debt securities |  |  |  |  |  |  |  |  |  |  |  |  |
Investment securities - available for sale |  | $ | 83,358 |  |  | $ | 83,358 |  |  | $ | - |  | A
Loans |  |  |  |  |  |  |  |  |  |  |  |  |
Non-acquired loans and acquired performing loans |  |  | 2,146,972 |  |  |  | 2,146,972 |  |  |  | - |  |
Acquired purchased deteriorated loans |  |  | 45,535 |  |  |  | 39,660 |  |  |  | 5,875 |  | B
Allowance for credit losses on loans |  |  | (39,289 | ) |  |  | (26,182 | ) |  |  | (13,107 | ) | C
Deferred tax asset |  |  | 19,306 |  |  |  | 17,493 |  |  |  | 1,813 |  | D
Accrued interest receivable - loans |  |  | 9,109 |  |  |  | 9,052 |  |  |  | 57 |  | B
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for credit losses on off-balance sheet |  |  |  |  |  |  |  |  |  |  |  |  |
credit exposures |  |  | 575 |  |  |  | 66 |  |  |  | 509 |  | E
Equity: |  |  |  |  |  |  |  |  |  |  |  |  |
Retained earnings |  |  | 231,714 |  |  |  | 237,585 |  |  |  | (5,870 | ) | F

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