Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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Share-Based Compensation - Additional Information (Detail) - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Compensation expense	$ 6.3	$ 3.5	$ 2.8
Unrecognized expense	$ 5.0
Restricted Stock
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Award vesting period	3 years
Shares surrendered to satisfy tax withholding obligations (in shares)	148
Restricted Stock \| 2020 EIP
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Authorized shares available for issuance (in shares)	2,900