Stockholders' Equity - Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Numerator:
Net income available to common shareholders	$ 86,998	$ 89,070	$ 77,036	$ 41,131	$ 176,068	$ 118,167
Denominator:
Basic weighted average shares outstanding	108,693,887		108,770,204		108,667,028	108,771,077
Effect of dilutive securities:
Diluted weighted average shares outstanding	108,810,296		108,871,440		108,803,081	108,893,848
Basic earnings per share	$ 0.8		$ 0.71		$ 1.62	$ 1.09
Diluted earnings per share	$ 0.8		$ 0.71		$ 1.62	$ 1.09
Stock appreciation rights [Member]
Effect of dilutive securities:
Dilutive securities	54,233		67,479		62,718	68,742
Restricted stock [Member]
Effect of dilutive securities:
Dilutive securities	62,176		33,757		73,335	54,029