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Earnings Per Common Share - Basic and Diluted Earnings Per Common Share (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Earnings Per Share [Abstract] |  |  |  |
Net income | $ 162,118 | $ 119,114 | $ 339,771 | $ 218,216
Less: Preferred stock dividends | 1,669 | 1,669 | 3,338 | 3,338
Net income available to common shareholders | 160,449 | 117,445 | 336,433 | 214,878
Less: Earnings allocated to participating securities | 1,645 | 1,036 | 3,468 | 1,888
Distributed earnings allocated to common stock | 55,783 | 48,092 | 111,789 | 96,143
Undistributed earnings allocated to common stock | 103,021 | 68,317 | 221,176 | 116,847
Net earnings allocated to common stock | $ 158,804 | $ 116,409 | $ 332,965 | $ 212,990
Weighted-average shares outstanding for basic earnings per common share | 64,240,789 | 64,112,828 | 64,306,809 | 64,082,185
Dilutive effect of stock compensation | 187,172 | 354,401 | 225,267 | 382,395
Weighted-average shares outstanding for diluted earnings per common share | 64,427,961 | 64,467,229 | 64,532,076 | 64,464,580

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