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Earnings Per Share - Reconciles Numerator and Denominator of Basic and Diluted Earnings Per Share Computations (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Numerator for EPS:                      
Net income $ (48,125) $ 20,183 $ 21,941 $ 26,408 $ (17,675) $ (3,169) $ 19,882 $ 20,067 $ 20,407 $ 19,105 $ 46,514
Less: Preferred stock dividends                 (10) (10) (10)
Income available to common stockholders                 $ 20,397 $ 19,095 $ 46,504
Denominator for EPS:                      
Weighted average common shares outstanding (in shares)                 31,218 31,884 33,893
Plus: Assumed conversion of share-based compensation                 64 63 315
Assumed conversion of preferred stock                 25 25 25
Weighted average diluted common shares outstanding (in shares)                 31,307 31,972 34,233
Basic earnings per common share (in dollars per share) $ (1.54) $ 0.65 $ 0.70 $ 0.85 $ (0.57) $ (0.10) $ 0.62 $ 0.62 $ 0.65 $ 0.60 $ 1.37
Diluted earnings per common share (in dollars per share) $ (1.54) $ 0.64 $ 0.70 $ 0.84 $ (0.57) $ (0.10) $ 0.62 $ 0.61 $ 0.65 $ 0.60 $ 1.36
Weighted average number of antidilutive shares                 2,113 2,753 773