Share-Based Compensation - Components of Share-Based Compensation Expense by Type of Award (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 3,216	$ 4,226	$ 2,822
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	253	741	881
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	2,166	3,473	1,897
Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	1,420	755	1,155
Change in Estimate of Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ (623)	$ (743)	$ (1,111)