Earnings (Loss) Per Share - Components of Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Net income from continuing operations available to common shareholders	$ 74,896	$ 71,240
Net loss from discontinued operations	0	(38,036)
Net income available to common shareholders	$ 74,896	$ 33,204
Weighted-average number of common shares outstanding - basic (shares)	32,957,033	31,883,946
Share-based compensation plans (shares)	1,370,032	957,765
Weighted-average number of common shares - diluted (shares)	34,327,065	32,841,711
Basic earnings per common share from continuing operations (usd per share)	$ 2.27	$ 2.23
Basic earnings (loss) per common share from discontinued operations (usd per share)	0	(1.19)
Basic earnings (loss) per common share (usd per share)	2.27	1.04
Diluted earnings per common share from continuing operations (usd per share)	2.18	2.17
Diluted earnings (loss) per common share from discontinued operations (usd per share)	0	(1.16)
Diluted earnings (loss) per common share (usd per share)	$ 2.18	$ 1.01