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Stock Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended		9 Months Ended
	Jan. 12, 2023	Jun. 09, 2021	Mar. 31, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common stock available for future grant					25,521,867
Options vested			0
Aggregate amount of special dividend payment	$ 7.6
Dividends paid	$ 0.24			$ 1.43	$ 0.24	$ 1.43
Dividends Payable, date declared	Jan. 12, 2023
Stock options granted during quarter					0
2018 Omnibus Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Increase in number of shares of common stock reserved for issuance		2,500,000
Common stock, capital shares reserved for future issuance		5,300,000			31,456,403
2018 Omnibus Incentive Plan | Performance Based Stock Option Grants
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Issuance of option grants to purchase common stock shares					400,000
2018 Omnibus Incentive Plan | Accounting Standards Update 2021-04 | Performance Based Stock Option Grants
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Issuance of option grants to purchase common stock shares					2,457,917

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