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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Impact of adopting ASU 2022-02 | Common Stock | Additional Paid-in Capital | Retained Earnings | Retained Earnings Impact of adopting ASU 2022-02 | Accumulated Other Comprehensive Loss | Treasury Stock
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2021 | $ 1,206,454 |  | $ 103,623 | $ 403,095 | $ 773,659 |  | $ (7,090) | $ (66,833)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net income | 58,001 |  |  |  | 58,001 |  |  |
Other comprehensive income (loss), net of tax | (60,081) |  |  |  |  |  | (60,081) |
Cash dividends declared | (23,175) |  |  |  | (23,175) |  |  |
Treasury stock issued for restricted stock awards | 0 |  |  |  | (135) |  |  | 135
Forfeitures of restricted stock awards | (434) |  |  |  | 1,294 |  |  | (1,728)
Repurchase of S&T Stock | (4,153) |  |  |  |  |  |  | (4,153)
Recognition of restricted stock compensation expense | 1,746 |  |  | 1,746 |  |  |  |
Ending Balance at Jun. 30, 2022 | 1,178,358 |  | 103,623 | 404,841 | 809,644 |  | (67,171) | (72,579)
Beginning Balance at Dec. 31, 2021 | 1,206,454 |  | 103,623 | 403,095 | 773,659 |  | (7,090) | (66,833)
Ending Balance at Dec. 31, 2022 | $ 1,184,659 | $ (447) | 103,623 | 406,283 | 863,948 | $ (447) | (112,125) | (77,070)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Accounting Standards Update [Extensible List] | Accounting Standards Update 2022-02 |  |  |  |  |  |  |
Beginning Balance at Mar. 31, 2022 | $ 1,184,950 |  | 103,623 | 403,841 | 791,345 |  | (47,043) | (66,816)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net income | 28,858 |  |  |  | 28,858 |  |  |
Other comprehensive income (loss), net of tax | (20,128) |  |  |  |  |  | (20,128) |
Cash dividends declared | (11,791) |  |  |  | (11,791) |  |  |
Forfeitures of restricted stock awards | (378) |  |  |  | 1,232 |  |  | (1,610)
Repurchase of S&T Stock | (4,153) |  |  |  |  |  |  | (4,153)
Recognition of restricted stock compensation expense | 1,000 |  |  | 1,000 |  |  |  |
Ending Balance at Jun. 30, 2022 | 1,178,358 |  | 103,623 | 404,841 | 809,644 |  | (67,171) | (72,579)
Beginning Balance at Dec. 31, 2022 | 1,184,659 | $ (447) | 103,623 | 406,283 | 863,948 | $ (447) | (112,125) | (77,070)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net income | 74,266 |  |  |  | 74,266 |  |  |
Other comprehensive income (loss), net of tax | (1,918) |  |  |  |  |  | (1,918) |
Cash dividends declared | (24,910) |  |  |  | (24,910) |  |  |
Treasury stock issued for restricted stock awards | 0 |  |  | (997) |  |  |  | 997
Forfeitures of restricted stock awards | (482) |  |  |  | 1,117 |  |  | (1,599)
Repurchase of S&T Stock | (19,998) |  |  |  |  |  |  | (19,998)
Recognition of restricted stock compensation expense | 1,683 |  |  | 1,683 |  |  |  |
Ending Balance at Jun. 30, 2023 | 1,212,853 |  | 103,623 | 406,969 | 913,974 |  | (114,043) | (97,670)
Beginning Balance at Mar. 31, 2023 | 1,227,795 |  | 103,623 | 407,113 | 890,840 |  | (96,658) | (77,123)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net income | 34,467 |  |  |  | 34,467 |  |  |
Other comprehensive income (loss), net of tax | (17,385) |  |  |  |  |  | (17,385) |
Cash dividends declared | (12,416) |  |  |  | (12,416) |  |  |
Treasury stock issued for restricted stock awards | 0 |  |  | (997) |  |  |  | 997
Forfeitures of restricted stock awards | (463) |  |  |  | 1,083 |  |  | (1,546)
Repurchase of S&T Stock | (19,998) |  |  |  |  |  |  | (19,998)
Recognition of restricted stock compensation expense | 853 |  |  | 853 |  |  |  |
Ending Balance at Jun. 30, 2023 | $ 1,212,853 |  | $ 103,623 | $ 406,969 | $ 913,974 |  | $ (114,043) | $ (97,670)

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