Share Repurchase Program - Additional Information (Detail) - Share Repurchase Program [Member] - USD ($)	1 Months Ended		3 Months Ended
	Jan. 31, 2021	Jan. 31, 2019	Mar. 31, 2021
Equity Class Of Treasury Stock [Line Items]
Total shares repurchased			1,050
Cost of common stock shares repurchased			$ 500,000
Shares repurchase program period		2 years
Shares repurchase program authorized	$ 100,000,000	$ 100,000,000.0
Commencement date		2019-04
Share repurchase program, expiration date		Mar. 31, 2021
Share repurchase program, commencement date	Apr. 01, 2021