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Parent Company Financial Statements, Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Cash flows from operating activities [Abstract] |  |  |
Net income | $ 81,814 | $ 87,939 | $ 59,504
Adjustments to reconcile net income to net cash provided by operating activities [Abstract] |  |  |
Depreciation | 5,219 | 5,033 | 5,346
Deferred taxes | 3,250 | 2,330 | (2,909)
Stock-based compensation | 1,366 | 850 | 944
Changes in [Abstract] |  |  |
Other assets | 2,507 | 4,918 | 1,845
Other liabilities | 608 | (2,387) | 4,147
Net cash provided by operating activities | 99,684 | 115,695 | 62,379
Cash flows from investing activities [Abstract] |  |  |
Net purchases of premises and equipment | (6,218) | (2,373) | (1,482)
Net cash used in investing activities | (280,007) | (358,620) | (693,526)
Cash flows from financing activities [Abstract] |  |  |
Issuance of common stock | 1,041 | 965 | 926
Repurchase of common stock | 0 | 0 | (1,099)
Dividends paid | (29,938) | (27,916) | (27,142)
Net cash provided by (used in) financing activities | (2,747) | 216,446 | 704,699
Net increase (decrease) in cash and cash equivalents | (183,070) | (26,479) | 73,552
Cash and cash equivalents at beginning of year | 311,756 |  |
Cash and cash equivalents at end of year | 128,686 | 311,756 |
Parent Company [Member] |  |  |
Cash flows from operating activities [Abstract] |  |  |
Net income | 81,814 | 87,939 | 59,504
Adjustments to reconcile net income to net cash provided by operating activities [Abstract] |  |  |
Depreciation | 76 | 69 | 112
Equity in undistributed earnings of subsidiaries | (54,720) | (59,476) | (33,792)
Deferred taxes | 630 | 3,759 | 451
Stock-based compensation | 1,366 | 850 | 944
Changes in [Abstract] |  |  |
Other assets | 611 | (5,403) | (115)
Other liabilities | (1,115) | 1,037 | (318)
Net cash provided by operating activities | 28,662 | 28,775 | 26,786
Cash flows from investing activities [Abstract] |  |  |
Net purchases of premises and equipment | (95) | (66) | (55)
Net cash used in investing activities | (95) | (66) | (55)
Cash flows from financing activities [Abstract] |  |  |
Issuance of common stock | 1,041 | 965 | 926
Repurchase of common stock | 0 | 0 | (1,099)
Dividends paid | (29,938) | (27,916) | (27,142)
Net cash provided by (used in) financing activities | (28,897) | (26,951) | (27,315)
Net increase (decrease) in cash and cash equivalents | (330) | 1,758 | (584)
Cash and cash equivalents at beginning of year | 3,263 | 1,505 | 2,089
Cash and cash equivalents at end of year | $ 2,933 | $ 3,263 | $ 1,505

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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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