Stock Awards - Stock-based Award Activity (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Vesting Based on Service [Member]
Employee Restricted Equity Awards Vesting Activity [Line Items]
Nonvested awards at beginning of the year, Shares	1,144,796	810,483
Awarded, Shares	1,519,207	1,210,448
Vested, Shares	(993,312)	(864,482)
Forfeited, Shares	(29,191)	(11,653)
Nonvested awards at end of year, Shares	1,641,500	1,144,796
Nonvested awards at beginning of the year, Weighted Average Value at Award Date	$ 13.01	$ 21.02
Awarded, Weighted Average Value at Award Date	4.36	10.36
Vested, Weighted Average Value at Award Date	10.62	16.60
Forfeited, Weighted Average Value at Award Date	9.58	12.27
Nonvested awards at end of year, Weighted Average Value at Award Date	$ 6.50	$ 13.01
Vesting Based on Market/Performance Conditions [Member]
Employee Restricted Equity Awards Vesting Activity [Line Items]
Nonvested awards at beginning of the year, Shares	12,576,792	4,349,081
Awarded, Shares	345,000	10,270,260
Vested, Shares	(1,179,631)	(1,591,846)
Forfeited, Shares	(1,428,940)	(450,703)
Nonvested awards at end of year, Shares	10,313,221	12,576,792
Nonvested awards at beginning of the year, Weighted Average Value at Award Date	$ 10.20	$ 18.26
Awarded, Weighted Average Value at Award Date	7.78	8.47
Vested, Weighted Average Value at Award Date	16.81	19.65
Forfeited, Weighted Average Value at Award Date	10.40	12.44
Nonvested awards at end of year, Weighted Average Value at Award Date	$ 9.33	$ 10.20