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v3.21.2

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Preferred Stock | Common Stock | Surplus | Accumulated Other Comprehensive (Loss) Income | Undivided Profits | Cumulative Effect, Period of Adoption, Adjustment | Cumulative Effect, Period of Adoption, Adjustment Undivided Profits
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2019 | $ 2,988,924 | $ 767 | $ 1,136 | $ 2,117,282 | $ 20,891 | $ 848,848 | $ (128,101) | $ (128,101)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Comprehensive (loss) income | 222,554 |  |  |  | 20,618 | 201,936 |  |
Stock issued for employee stock purchase plan | 956 |  | 1 | 955 |  |  |  |
Stock-based compensation plans, net | 7,395 |  | 2 | 7,393 |  |  |  |
Stock repurchases | (93,307) |  | (49) | (93,258) |  |  |  |
Dividends on preferred stock | (39) |  |  |  |  | (39) |  |
Dividends on common stock | (56,141) |  |  |  |  | (56,141) |  |
Balance at Sep. 30, 2020 | $ 2,942,241 | 767 | 1,090 | 2,032,372 | 41,509 | 866,503 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Accounting Standards Update [Extensible List] | Accounting Standards Update 2016-13 [Member] |  |  |  |  |  |  |
Balance at Jun. 30, 2020 | $ 2,904,703 | 767 | 1,090 | 2,029,383 | 54,310 | 819,153 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Comprehensive (loss) income | 53,097 |  |  |  | (12,801) | 65,898 |  |
Stock-based compensation plans, net | 2,989 |  |  | 2,989 |  |  |  |
Dividends on preferred stock | (13) |  |  |  |  | (13) |  |
Dividends on common stock | (18,535) |  |  |  |  | (18,535) |  |
Balance at Sep. 30, 2020 | 2,942,241 | 767 | 1,090 | 2,032,372 | 41,509 | 866,503 |  |
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 (loss) income | 151,763 |  |  |  | (71,155) | 222,918 |  |
Stock issued for employee stock purchase plan | 1,170 |  | 1 | 1,169 |  |  |  |
Stock-based compensation plans, net | 13,813 |  | 3 | 13,810 |  |  |  |
Stock repurchases | (54,513) |  | (19) | (54,494) |  |  |  |
Dividends on preferred stock | (39) |  |  |  |  | (39) |  |
Dividends on common stock | (58,319) |  |  |  |  | (58,319) |  |
Balance at Sep. 30, 2021 | 3,030,531 | 767 | 1,066 | 1,974,561 | (11,429) | 1,065,566 |  |
Balance at Jun. 30, 2021 | 3,039,366 | 767 | 1,084 | 2,021,128 | 12,073 | 1,004,314 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Comprehensive (loss) income | 57,072 |  |  |  | (23,502) | 80,574 |  |
Stock-based compensation plans, net | 4,848 |  |  | 4,848 |  |  |  |
Stock repurchases | (51,433) |  | (18) | (51,415) |  |  |  |
Dividends on preferred stock | (13) |  |  |  |  | (13) |  |
Dividends on common stock | (19,309) |  |  |  |  | (19,309) |  |
Balance at Sep. 30, 2021 | $ 3,030,531 | $ 767 | $ 1,066 | $ 1,974,561 | $ (11,429) | $ 1,065,566 |  |

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