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Restricted Stock and Stock Options - Additional Information (Detail) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 USD ($) shares | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) Incentive_Plan shares | Jun. 30, 2021 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of equity incentive plans | Incentive_Plan |  |  | 3 |
Market value of shares | $ |  |  | $ 2.6 | $ 2.2
Stock options outstanding | 0 |  | 0 |
Share-based compensation expense | $ | $ 0.8 | $ 0.7 | $ 0.8 | $ 1.3
Performance Awards [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Common stock issued, shares |  |  | 40,959 | 24,288
Restricted Stock [Member] | Employees and Non-employee Directors [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Common stock issued, shares |  |  | 13,211 | 8,707

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