Stock Options and Other Equity-Based Incentive Instruments - Stock Option Activity (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Number of Shares
Options outstanding, beginning balance (in shares)	78,825	128,500
Options granted (in shares)	0	0
Options exercised (in shares)	(63,325)	(49,675)
Options forfeited (in shares)	0	0
Options outstanding, ending balance (in shares)	15,500	78,825
Option Price per Share
Options granted, option price per share (in USD per share)	$ 0	$ 0
Options forfeited, option price per share (in USD per share)	0	0
Weighted Average Exercise Price
Options outstanding, weighted average exercise price, beginning balance (in USD per share)	19.28	17.72
Options granted, weighted average exercise price (in USD per share)	0	0
Options exercised, weighted average exercise price (in USD per share)	18.79	15.25
Options forfeited, weighted average exercise price (in USD per share)	0	0
Options outstanding, weighted average exercise price, ending balance (in USD per share)	21.27	19.28
Minimum
Option Price per Share
Options outstanding, option price per share, beginning balance (in USD per share)	15.34	14.54
Options exercised, option price per share (in USD per share)	15.34	14.54
Options outstanding, option price per share, ending balance (in USD per share)	19.46	15.34
Maximum
Option Price per Share
Options outstanding, option price per share, beginning balance (in USD per share)	23.21	23.21
Options exercised, option price per share (in USD per share)	19.46	16.59
Options outstanding, option price per share, ending balance (in USD per share)	$ 23.21	$ 23.21