Stock-Based Compensation Plans - Restricted Stock and Restricted Stock Units and Performance Awards Outstanding (Detail) - $ / shares	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Restricted Stock Equity Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding, Beginning Balance	1,736,688
Granted	1,626,670	1,400,000
Vested	(1,408,676)
Forfeited	(29,546)
Outstanding, Ending Balance	1,925,136
Outstanding, Beginning Balance, weighted average grant date fair value	$ 14.44
Granted, weighted average grant date fair value	25.09	$ 18.59
Vested and issued, weighted average grant date fair value	16.88
Forfeited, weighted average grant date fair value	17.73
Outstanding, Ending Balance, weighted average grant date fair value	$ 21.6
Restricted Stock Liability Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding, Beginning Balance	379,633
Granted	21,170
Vested	(251,063)
Forfeited	0
Outstanding, Ending Balance	149,740
Outstanding, Beginning Balance, weighted average grant date fair value	$ 14.71
Granted, weighted average grant date fair value	25.41
Vested and issued, weighted average grant date fair value	14.11
Forfeited, weighted average grant date fair value	0
Outstanding, Ending Balance, weighted average grant date fair value	$ 17.22
Stock-Based Performance Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding, Beginning Balance	1,950,632
Granted	145,747
Vested	(1,158,797)
Forfeited	0
Outstanding, Ending Balance	937,582
Outstanding, Beginning Balance, weighted average grant date fair value	$ 9.02
Granted, weighted average grant date fair value	26.86
Vested and issued, weighted average grant date fair value	4.8
Forfeited, weighted average grant date fair value	0
Outstanding, Ending Balance, weighted average grant date fair value	$ 17.01