Share Repurchase Program (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	May 18, 2023
Equity, Class of Treasury Stock [Line Items]
Common stock repurchase program, authorized remaining amount	$ 165,020,476
Common stock repurchase program, number of shares repurchased (in shares)	187,357	913,445
Repurchase program, approximate dollar value of shares purchased	$ 34,999,897	$ 117,129,000
Repurchase program, average price paid per share (in usd per share)	$ 186.81	$ 128.23
September 19, 2022 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Common stock repurchase program, authorized remaining amount			$ 100,000,000
May 18 2023 Stock Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Common stock repurchase program, authorized amount			$ 300,000,000