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Parent Company Financial Statements (Statements of Cash Flows) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Operating Activities |  |  |
Net income | $ 69,014 | $ 59,486 | $ 57,203
Increase (decrease) in other assets | 2,669 | (10,912) | (1,005)
Net cash provided by operating activities | 142,716 | 18,230 | 32,871
Investing Activities |  |  |
Net cash used in investing activities | (649,093) | (294,452) | (55,835)
Financing Activities |  |  |
Common stock repurchases | (10,090) | (9,689) | (20,795)
Cash dividends paid on common stock | (21,081) | (19,842) | (18,572)
Net cash provided by financing activities | 581,228 | 346,360 | 31,601
Net increase in cash, cash equivalents and restricted cash | 74,851 | 70,138 | 8,637
Cash, cash equivalents and restricted cash at beginning of year | 145,774 | 75,636 | 66,999
Cash, cash equivalents and restricted cash at end of year | 220,625 | 145,774 | 75,636
Parent Company [Member] |  |  |
Operating Activities |  |  |
Net income | 69,014 | 59,486 | 57,203
Equity in undistributed income of subsidiaries | (29,869) | (23,299) | (22,579)
Increase (decrease) in other assets | 4,244 | (5,228) | (2,935)
Increase (decrease) in due to subsidiaries | 202 | 71 | (109)
(Decrease) increase in other liabilities | (558) | (83) | 4,298
Net cash provided by operating activities | 43,033 | 30,947 | 35,878
Investing Activities |  |  |
Proceeds from Sale of Available-for-sale Securities, Equity | 0 | 1,712 | 0
Net cash used in investing activities | 0 | 1,712 | 0
Financing Activities |  |  |
Net proceeds from issuance of common stock | 2,118 | 1,670 | 1,683
Common stock repurchases | (10,090) | (9,689) | (20,795)
Cash dividends paid on common stock | (21,081) | (19,842) | (18,572)
Net cash provided by financing activities | (44,053) | (27,861) | (37,684)
Net increase in cash, cash equivalents and restricted cash | (1,020) | 4,798 | (1,806)
Cash, cash equivalents and restricted cash at beginning of year | 35,359 | 30,561 | 32,367
Cash, cash equivalents and restricted cash at end of year | $ 34,339 | $ 35,359 | $ 30,561

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