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Parent Company Condensed Financial Information - Statements of Cash Flows (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
OPERATING ACTIVITIES |  |  |
Net Income | $ 110,343 | $ 21,040 | $ 98,234
Net Cash Provided by Operating Activities | 216,111 | 53,451 | 138,423
INVESTING ACTIVITIES |  |  |
Net Cash Provided by (Used in) Investing Activities | 11,980 | (161,101) | (210,556)
FINANCING ACTIVITIES |  |  |
Repayment of long term debt | (11,001) | (27,187) | (35,936)
Sale of treasury shares, net | (630) | (594) | (915)
Purchase of treasury shares | 0 | (12,559) | (18,222)
Cash dividends paid to common shareholders | (44,325) | (43,949) | (37,360)
Net Cash Provided by Financing Activities | 464,458 | 139,493 | 114,467
Net increase in cash and cash equivalents | 692,549 | 31,843 | 42,334
Cash and cash equivalents at beginning of year | 229,666 | 197,823 | 155,489
Cash and Cash Equivalents at End of Year | 922,215 | 229,666 | 197,823
Parent Company |  |  |
OPERATING ACTIVITIES |  |  |
Net Income | 110,343 | 21,040 | 98,234
Equity in undistributed (earnings) losses of subsidiaries | (52,217) | 33,430 | (43,164)
Other | 761 | 1,708 | (99)
Net Cash Provided by Operating Activities | 58,887 | 56,178 | 54,971
INVESTING ACTIVITIES |  |  |
Net investments in subsidiaries | 0 | 0 | 176
Acquisitions | 0 | 0 | (10)
Net Cash Provided by (Used in) Investing Activities | 0 | 0 | 166
FINANCING ACTIVITIES |  |  |
Repayment of long term debt | (9,750) | 0 | 0
Sale of treasury shares, net | (629) | (594) | (915)
Purchase of treasury shares | 0 | (12,559) | (18,222)
Cash dividends paid to common shareholders | (44,324) | (43,949) | (37,360)
Payment to repurchase of warrant | 0 | 0 | 0
Net Cash Provided by Financing Activities | (54,703) | (57,102) | (56,497)
Net increase in cash and cash equivalents | 4,184 | (924) | (1,360)
Cash and cash equivalents at beginning of year | 6,585 | 7,509 | 8,869
Cash and Cash Equivalents at End of Year | $ 10,769 | $ 6,585 | $ 7,509

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