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Fair Value Disclosures Related to Grants, Exercises and Vested Options (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]    
Proceeds from stock options exercised $ 0 $ 0
Intrinsic value of stock options exercised [1] $ 0 $ 0
Weighted-average fair value of options granted during period $ 0 $ 26.75
Total fair value of stock options vested during the period $ 14 $ 21
[1] The intrinsic value of stock options exercised is the amount by which the market price of the stock on the date of exercise exceeded the exercise price of the options.