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Basis of Presentation - Additional Information (Details) - USD ($)	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020	Mar. 31, 2018
Basis Of Presentation [Line Items]
Repurchases of shares, value		$ 50,827,000	$ 0
Share Repurchase Program
Basis Of Presentation [Line Items]
Stock repurchase program, authorized amount				$ 100,000,000.0
Stock repurchase program, additional amount authorized				$ 50,000,000.0
Repurchases of shares	110,488	772,125
Repurchases of shares, value	$ 7,600,000	$ 50,800,000
Remaining amount of repurchase program	$ 49,200,000	$ 49,200,000
Share Repurchase Program | Maximum
Basis Of Presentation [Line Items]
Stock repurchase program, authorized amount					$ 50,000,000.0

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