Shareholders' Equity - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jan. 31, 2025
Stockholders Equity Note [Line Items]
Common stock shares purchased under publicly-announced share repurchase program	986,555	1,024,328	1,352,954
Common stock purchased under publicly-announced share repurchase program, value	$ 241.6	$ 166.0	$ 175.4
Excise tax on stock repurchases		1.00%
Excise tax paid on net stock repurchases	$ 1.1
Subsequent Event
Stockholders Equity Note [Line Items]
Stock repurchase program, authorized amount				$ 100.0