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Parent Company Only Financial Information - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Net income | $ 8,099 | $ 7,835 | $ 8,686 | $ 4,044 | $ 10,249 | $ 23,442 | $ 25,035 | $ 18,219 | $ 28,664 | $ 76,945 | $ 81,793
Deferred income tax provision (benefit) |  |  |  |  |  |  |  |  | 3,721 | 144 | (1,725)
Net (gain) loss from fair value adjustments |  |  |  |  |  |  |  |  | (2,573) | (5,728) | 12,995
Stock-based compensation expense |  |  |  |  |  |  |  |  | 5,604 | 6,807 | 6,829
Net cash provided by (used in) operating activities |  |  |  |  |  |  |  |  | 34,585 | 85,755 | 88,598
Net cash provided by (used in) investing activities |  |  |  |  |  |  |  |  | (94,261) | (351,818) | (106,783)
Proceeds from long-term borrowing |  |  |  |  |  |  |  |  | 661,050 | 63,603 | 122,843
Repayment of long-term borrowings |  |  |  |  |  |  |  |  | (265,001) | (55,685) | (341,643)
Purchase of treasury stock |  |  |  |  |  |  |  |  | (13,165) | (29,675) | (11,370)
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  | 80,079 | 336,094 | (57,480)
Net increase (decrease) in cash and cash equivalents, and restricted cash |  |  |  |  |  |  |  |  | 20,403 | 70,031 | (75,665)
Cash, cash equivalents, and restricted cash, beginning of period |  |  |  | 151,754 |  |  |  | 81,723 | 151,754 | 81,723 | 157,388
Cash, cash equivalents, and restricted cash, end of period | 172,157 |  |  |  | 151,754 |  |  |  | 172,157 | 151,754 | 81,723
Holding Company |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  | 28,664 | 76,945 | 81,793
(Equity) deficit in undistributed earnings of the Bank |  |  |  |  |  |  |  |  | 89,173 | (26,002) | (92,908)
Deferred income tax provision (benefit) |  |  |  |  |  |  |  |  | 774 | 2,111 | (3,939)
Net (gain) loss from fair value adjustments |  |  |  |  |  |  |  |  | (2,405) | (7,207) | 13,604
Stock-based compensation expense |  |  |  |  |  |  |  |  | 5,604 | 6,807 | 6,829
Net change in operating assets and liabilities |  |  |  |  |  |  |  |  | (1,189) | (2,866) | 2,927
Net cash provided by (used in) operating activities |  |  |  |  |  |  |  |  | 120,621 | 49,788 | 8,306
Investment in Bank |  |  |  |  |  |  |  |  | 0 | (50,000) | (15,000)
Net cash provided by (used in) investing activities |  |  |  |  |  |  |  |  | 0 | (50,000) | (15,000)
Proceeds from long-term borrowing |  |  |  |  |  |  |  |  | 0 | 63,603 | 122,843
Repayment of long-term borrowings |  |  |  |  |  |  |  |  | 0 | 0 | (90,250)
Purchase of treasury stock |  |  |  |  |  |  |  |  | (13,165) | (29,675) | (11,370)
Cash dividends paid |  |  |  |  |  |  |  |  | (26,260) | (27,031) | (26,524)
Net cash provided by (used in) financing activities |  |  |  |  |  |  |  |  | (39,425) | 6,897 | (5,301)
Net increase (decrease) in cash and cash equivalents, and restricted cash |  |  |  |  |  |  |  |  | 81,196 | 6,685 | (11,995)
Cash, cash equivalents, and restricted cash, beginning of period |  |  |  | $ 22,723 |  |  |  | $ 16,038 | 22,723 | 16,038 | 28,033
Cash, cash equivalents, and restricted cash, end of period | $ 103,919 |  |  |  | $ 22,723 |  |  |  | $ 103,919 | $ 22,723 | $ 16,038

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