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Equity Compensation Plans - Additional Information (Detail) - USD ($)
$ in Thousands
1 Months Ended 6 Months Ended
Feb. 18, 2021
May 31, 2016
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Common stock, shares authorized   4,300,000 300,000,000   300,000,000
Expiration date of Incentive Plan       May 12, 2026  
Performance Share Units          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Awards vesting period 3 years        
Performance Share Units | Executive Officers          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Shares awarded 254,493        
Restricted Stock and Performance Shares Units | Employee          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock compensation expense     $ 2,112 $ 1,667  
Minimum | Performance Share Units          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Share based compensation arrangement by share based payment award number share issuable percentage 0.00%        
Maximum | Performance Share Units          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Share based compensation arrangement by share based payment award number share issuable percentage 150.00%        
Long Term Incentive Plan | Performance Share Units          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Awards performance period 3 years        
Awards service period 1 year        
Long Term Incentive Plan | Minimum          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Awards vesting period   2 years      
Long Term Incentive Plan | Maximum          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Awards vesting period   4 years