Earnings per Share - Schedule of Earnings per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net income	$ 76,410	$ 65,256	$ 67,090	$ (150,173)	$ 51,489	$ 44,906	$ 47,693	$ 35,542	$ 58,583	$ 179,630	$ 21,340
Preferred stock dividends									(41)	(41)	(41)
Net income available to common equity									58,542	179,589	21,299
Dividends and undistributed earnings allocated to participating securities									(26)	(30)	(24)
Net income available to common shareholders									$ 58,516	$ 179,559	$ 21,275
Basic weighted-average shares outstanding (in shares)									39,307	39,232	39,173
Stock options and other stock-based awards (in shares)									166	175	276
Diluted weighted-average shares outstanding (in shares)									39,473	39,407	39,449
Antidilutive stock options (in shares)									0	0	0
Earnings per share:
Basic (in dollars per share)	$ 1.94	$ 1.66	$ 1.71	$ (3.83)	$ 1.31	$ 1.15	$ 1.21	$ 0.90	$ 1.49	$ 4.58	$ 0.54
Diluted (in dollars per share)	$ 1.93	$ 1.65	$ 1.70	$ (3.83)	$ 1.31	$ 1.14	$ 1.21	$ 0.90	$ 1.48	$ 4.56	$ 0.54