Annual report pursuant to Section 13 and 15(d)

Share-Based Compensation - Summary of Stock Option Transactions under Plans (Detail)

v3.24.0.1
Share-Based Compensation - Summary of Stock Option Transactions under Plans (Detail) - 2013 and 2021 Plan - $ / shares
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Number of Shares, options outstanding at beginning of period (shares) 111,000 115,938 125,938
Number of Shares, Options exercised (shares) (50,000) (1,500)  
Number of Shares, Options forfeited (shares)     (10,000)
Number of Shares, Options expired (shares)   (3,438)  
Number of Shares, Options outstanding at end of period (shares) 61,000 111,000 115,938
Number of Shares, Options exercisable at end of period (shares) 61,000 111,000 115,938
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]      
Weighted-Average Exercise Price Per Share, Options outstanding at beginning of period (in USD per share) $ 19.89 $ 19.58 $ 19.59
Weighted-Average Exercise Price Per Share, Options exercised (in USD per share) 23.29 12.54  
Weighted-Average Exercise Price Per Share, Options forfeited (in USD per share)     19.74
Weighted-Average Exercise Price Per Share, Options expired (in USD per share)   12.54  
Weighted-Average Exercise Price Per Share, Options outstanding at end of period (in USD per share) 22.73 19.89 19.58
Weighted-Average Exercise Price Per Share, Options exercisable at end of period (in USD per share) $ 22.73 $ 19.89 $ 19.58