Performance Awards - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Unrecognized compensation expense	$ 3.9
2014 Equity Incentive Plan | Restricted Cash Award | Minimum
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Performance period	1 year
2014 Equity Incentive Plan | Restricted Cash Award | Maximum
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Performance period	3 years
2014 Equity Incentive Plan | Performance Awards
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Unrecognized compensation expense	$ 1.3	$ 3.0