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Accounting for Stock Based Compensation - Summary of Recognized and Unrecognized Stock-based Compensation Expense (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]      
Stock-Based Compensation Expense $ 14,530 $ 14,323 $ 8,589
Unrecognized Stock-Based Compensation Expense 16,304    
Options      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock-Based Compensation Expense 482 836 885
Restricted Shares      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock-Based Compensation Expense 1,198 1,495 1,600
Unrecognized Stock-Based Compensation Expense 309    
Restricted Stock Units      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock-Based Compensation Expense 4,594 3,137 1,751
Unrecognized Stock-Based Compensation Expense 7,423    
Performance Based Units      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock-Based Compensation Expense 5,535 3,361 2,017
Unrecognized Stock-Based Compensation Expense 8,572    
Stock Appreciation Rights      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock-Based Compensation Expense $ 2,721 $ 5,494 $ 2,336