Share Repurchase Program - Additional Information (Details)	9 Months Ended
	Sep. 30, 2021 USD ($) shares	Sep. 30, 2020 USD ($) shares
Equity Class Of Treasury Stock [Line Items]
Stock repurchase program, authorized amount	$ 100,000,000.0
Line of credit facility, condition permitted for unlimited share repurchases, leverage ratio	3.50
Stock Repurchased During Period, Value	$ 14,700,000	$ 16,600,000
Stock Repurchased During Period, Shares | shares	173,000	206,820
Credit Facility
Equity Class Of Treasury Stock [Line Items]
Stock repurchase program, remaining authorized repurchase amount	$ 31,300,000