Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	8 Months Ended	12 Months Ended
	May 31, 2021	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022
Performance-Vesting RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments awarded in period			431,241
Vesting			419,736
Weighted-average grant date fair value per share, vested			$ 8.75
Weighted-average grant-date fair value of performance-vesting restricted stock			4.62	$ 7.42
Weighted-Average Grant Date Fair Value Per Share, granted			13.99
Performance-vesting Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant date fair values of awards granted		$ 8.75	$ 13.99	$ 5.71
Share based compensation arrangement by Share based payment award options vested in period fair value 1			$ 6.5	$ 3.2
Time-vesting RSU and Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments awarded in period			692,236
Vesting			854,293
Weighted-average grant date fair value per share, vested			$ 8.31
Weighted-average grant-date fair value of performance-vesting restricted stock			6.81	$ 8.20
Weighted-Average Grant Date Fair Value Per Share, granted			11.34
Weighted-average grant date fair values of awards granted		$ 8.75	$ 11.34	$ 6.68
Share based compensation arrangement by Share based payment award options vested in period fair value 1		$ 0.6	$ 11.3	$ 3.9
Equity Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation cost recognized for awards under the Equity Plan		10.8	14.2	20.2
Tax benefits recognized		$ 2.0	2.5	2.9
Unrecognized compensation cost related to nonvested awards under the Equity Plan			$ 10.7
Expected weighted average period to recognized compensation cost related to nonvested awards under the Equity Plan			1 year
Equity Plan [Member] | Performance-vesting Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of awards vested				$ 5.4
Vesting			30,370	747,407
Weighted-average grant date fair value per share, vested				$ 6.89
Share based compensation arrangement by Share based payment award options vested in period fair value 1			$ 0.4	$ 6.2
2021 Long-Term Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares of common stock available for issuance			11,111,111
2021 Long-Term Stock Incentive Plan [Member] | Time-vesting RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments awarded in period		1,916,043	593,205	535,516
Vesting period			3 years
2021 Long-Term Stock Incentive Plan [Member] | Time-vesting RSUs [Member] | Non-Employee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments awarded in period			318,292
2021 Long-Term Stock Incentive Plan [Member] | Time-vesting Restricted Stock [Member] | Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments awarded in period		222,222
2021 Long-Term Stock Incentive Plan [Member] | Performance-Vesting RSUs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments awarded in period		1,733,404	431,241	709,148
Vesting period		3 years	3 years	3 years
2021 Long-Term Stock Incentive Plan [Member] | Performance-vesting Restricted Stock [Member] | Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments awarded in period	777,777