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Equity Compensation Plans - Additional Information (Detail) - USD ($) $ in Thousands |  | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | ---
Feb. 18, 2021 | May 31, 2016 | Mar. 31, 2021 | Mar. 31, 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 |  |  |

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