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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment | Preferred Stock | Common Stock | Surplus | Accumulated Other Comprehensive Income (Loss) | Undivided Profits | Undivided Profits Cumulative Effect, Period of Adoption, Adjustment | Landmark Bank | Landmark Bank Common Stock | Landmark Bank Surplus | Triumph | Triumph Common Stock | Triumph Surplus | Spirit | Spirit Common Stock | Spirit Surplus
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2019 | $ 2,988,924 | $ (128,101) | $ 767 | $ 1,136 | $ 2,117,282 | $ 20,891 | $ 848,848 | $ (128,101) |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Comprehensive income | 293,739 |  |  |  |  | 38,835 | 254,904 |  |  |  |  |  |  |  |  |  |
Stock issued for employee stock purchase plan | 956 |  |  | 1 | 955 |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation plans, net | 9,110 |  |  | 3 | 9,107 |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchases | (113,327) |  |  | (59) | (113,268) |  |  |  |  |  |  |  |  |  |  |  |
Dividends on preferred stock | (52) |  |  |  |  |  | (52) |  |  |  |  |  |  |  |  |  |
Dividends on common stock | (74,593) |  |  |  |  |  | (74,593) |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2020 | 2,976,656 |  | 767 | 1,081 | 2,014,076 | 59,726 | 901,006 |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Comprehensive income | 200,885 |  |  |  |  | (70,271) | 271,156 |  |  |  |  |  |  |  |  |  |
Stock issued for employee stock purchase plan | 1,170 |  |  | 1 | 1,169 |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation plans, net | 16,158 |  |  | 4 | 16,154 |  |  |  |  |  |  |  |  |  |  |  |
Stock issued for acquisition |  |  |  |  |  |  |  |  | $ 138,191 | $ 45 | $ 138,146 | $ 127,899 | $ 42 | $ 127,857 |  |  |
Preferred stock retirement | (767) |  | (767) |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchases | (132,459) |  |  | (46) | (132,413) |  |  |  |  |  |  |  |  |  |  |  |
Dividends on preferred stock | (47) |  |  |  |  |  | (47) |  |  |  |  |  |  |  |  |  |
Dividends on common stock | (78,845) |  |  |  |  |  | (78,845) |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2021 | 3,248,841 |  | 0 | 1,127 | 2,164,989 | (10,545) | 1,093,270 |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Comprehensive income | (250,603) |  |  |  |  | (507,015) | 256,412 |  |  |  |  |  |  |  |  |  |
Stock issued for employee stock purchase plan | 1,151 |  |  | 1 | 1,150 |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation plans, net | 10,284 |  |  | 3 | 10,281 |  |  |  |  |  |  |  |  |  |  |  |
Stock issued for acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 464,918 | $ 183 | $ 464,735
Stock repurchases | (111,133) |  |  | (44) | (111,089) |  |  |  |  |  |  |  |  |  |  |  |
Dividends on common stock | (94,096) |  |  |  |  |  | (94,096) |  |  |  |  |  |  |  |  |  |
Balance at Dec. 31, 2022 | $ 3,269,362 |  | $ 0 | $ 1,270 | $ 2,530,066 | $ (517,560) | $ 1,255,586 |  |  |  |  |  |  |  |  |  |

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