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Stock-Based Compensation - Summary of Restricted Stock Activity (Detail) - Restricted Stock [Member]
12 Months Ended
Dec. 31, 2021
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Unvested, options beginning balance | shares 74,156
Granted, options | shares 13,653
Vested, options | shares (25,553)
Forfeited, options | shares (185)
Unvested, options ending balance | shares 62,071
Unvested, weighted average grant date fair value beginning balance | $ / shares $ 73.84
Granted | $ / shares 215.42
Vested | $ / shares 55.36
Forfeited | $ / shares 200.81
Unvested, weighted average grant date fair value ending balance | $ / shares $ 112.21