Stock-Based Compensation Plans - Restricted Stock and Restricted Stock Units and Performance Awards Outstanding (Detail) - $ / shares		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Restricted Stock Equity Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding, Beginning Balance		1,473,805
Granted		1,233,483	1,600,000
Vested		(399,671)
Forfeited		(2,603)
Outstanding, Ending Balance		2,305,014
Outstanding, Beginning Balance, weighted average grant date fair value		$ 22.82
Granted, weighted average grant date fair value		30.23	$ 25.01
Vested and issued, weighted average grant date fair value		23.54
Forfeited, weighted average grant date fair value		25.81
Outstanding, Ending Balance, weighted average grant date fair value		$ 26.66
Restricted Stock Liability Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding, Beginning Balance		93,116
Granted		7,932
Vested		(33,141)
Forfeited		0
Outstanding, Ending Balance		67,907
Outstanding, Beginning Balance, weighted average grant date fair value		$ 19.44
Granted, weighted average grant date fair value		30.02
Vested and issued, weighted average grant date fair value		16.94
Forfeited, weighted average grant date fair value		0
Outstanding, Ending Balance, weighted average grant date fair value		$ 21.89
Stock-Based Performance Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding, Beginning Balance	[1]	937,582
Granted	[1]	254,195
Vested	[1]	(526,918)
Forfeited	[1]	0
Outstanding, Ending Balance	[1]	664,859
Outstanding, Beginning Balance, weighted average grant date fair value		$ 17.01
Granted, weighted average grant date fair value		31.84
Vested and issued, weighted average grant date fair value		10.99
Forfeited, weighted average grant date fair value		0
Outstanding, Ending Balance, weighted average grant date fair value		$ 27.45

[1] (a) Amounts granted reflect performance units initially granted. The actual payout will be between zero and 200% depending on achievement of either total stockholder return ranking compared to our peers at the vesting date or on the achievement of internal performance targets.