Fair Value Disclosures Related to Grants, Exercises and Vested Options (Detail) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
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Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
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| Share-Based Payment Arrangement [Abstract] | ||||||
| Proceeds from stock options exercised | ||||||
| Intrinsic value of stock options exercised | [1] | $ 10 | $ 365 | $ 24 | $ 387 | |
| Weighted-average fair value of options granted during period | $ 1.07 | |||||
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- References No definition available.
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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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