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Accounting for Stock Based Compensation - Summarizes Restricted Stock Activity (Detail) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Share-Based Payment Arrangement [Abstract]      
Outstanding at beginning of period, Shares 11,376 34,906 34,920
Granted, Shares 13,600 13,742 32,406
Vested, Shares (11,376) (37,272) (32,420)
Outstanding at end of period, Shares 13,600 11,376 34,906
Outstanding at beginning of period, Weighted-Average Grant Date Fair Value $ 70.33 $ 39.82 $ 38.31
Granted, Weighted-Average Grant Date Fair Value 73.54 70.18 39.96
Vested, Weighted-Average Grant Date Fair Value 70.33 41.70 38.33
Outstanding at end of period, Weighted-Average Grant Date Fair Value $ 73.54 $ 70.33 $ 39.82