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Note 3 - Recent Accounting Pronouncements (Tables) | 3 Months Ended
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Mar. 31, 2021
Notes Tables |
Accounting Standards Update and Change in Accounting Principle [Table Text Block] |
|  | Balance at December 31, 2020 |  |  | Adjustments Due to Adoption of ASC 326 |  |  | Balance at January 1, 2021 |
|  | (In thousands) |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Allowance for credit losses on loans |  | $ | 166,538 |  |  | $ | 594 |  |  | $ | 167,132 |
Deferred tax assets |  |  | 85,610 |  |  |  | 335 |  |  |  | 85,945 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Allowance for unfunded commitments |  |  | 5,880 |  |  |  | 539 |  |  |  | 6,419 |
Stockholders' equity: |  |  |  |  |  |  |  |  |  |  |  |
Retained earnings, net of tax |  |  | 2,418,144 |  |  |  | (798 | ) |  |  | 2,417,346 |

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