Share Repurchase Program - Additional Information (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2022	May 06, 2021	Feb. 26, 2020
Schedule Of Share Repurchase Programs [Line Items]
Common stock repurchase program, authorized amount			$ 125,000,000	$ 50,000,000
Common stock repurchase program, authorized remaining amount		$ 75,000,000
Common stock repurchase program, number of shares repurchased (in shares)	497,243
Repurchase program, approximate dollar value of shares purchased	$ 49,999,979
Repurchase program, average price paid per share (in usd per share)	$ 100.55
February 2020 Share Repurchase Plan
Schedule Of Share Repurchase Programs [Line Items]
Common stock repurchase program, authorized remaining amount			$ 25,000,000