EARNINGS (LOSS) PER SHARE - Components of Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Earnings Per Share [Abstract]
Net income available to common shareholders, basic	$ 73,726	$ 42,937	$ 139,095	$ 143,163
Net income available to common shareholders, diluted	$ 73,726	$ 42,937	$ 139,095	$ 143,163
Weighted-average number of common shares outstanding – basic (shares)	32,340,813	31,567,797	31,794,547	31,563,660
Share-based compensation plans (shares)	1,119,242	1,198,691	983,900	1,209,705
Weighted-average number of common shares – diluted (shares)	33,460,055	32,766,488	32,778,447	32,773,365
Basic earnings per common share (usd per share)	$ 2.28	$ 1.36	$ 4.37	$ 4.54
Diluted earnings per common share (usd per share)	$ 2.20	$ 1.31	$ 4.24	$ 4.37