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

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Stock Based Compensation - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Mar. 27, 2020
Share-based compensation arrangement by share-based payment award [Line Items]
Unrecognized compensation expense related to stock compensation plans	$ 323
Share-based payment arrangement, nonvested award, cost not yet recognized, period for recognition	3 years 6 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	$ 78
Restricted stock [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Unrecognized compensation expense related to stock compensation plans	$ 500
Share-based payment arrangement, nonvested award, cost not yet recognized, period for recognition	3 years 6 months
Stock option expense recognised	$ 146	$ 95
Employee Stock Option [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Stock option expense recognised	$ 95	$ 61
Twenty twenty equity incentive plan [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Stock based compensation number of shares authorized			238,467
Twenty twenty equity incentive plan [Member] \| Restricted stock [Member]
Share-based compensation arrangement by share-based payment award [Line Items]
Stock based compensation number of shares authorized			95,387