Shareholders' Equity (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Oct. 30, 2018	Oct. 29, 2018	Apr. 25, 2017
Distribution Made to Limited Partner [Line Items]
Authorized stock repurchase amount					$ 250,000,000.0
Remaining unused authorization for stock repurchase program				$ 78,300,000
Repurchase aggregate cost	$ 27,900,000	$ 25,000,000.0
October 2018 Stock Repurchase Program
Distribution Made to Limited Partner [Line Items]
Authorized stock repurchase amount			$ 300,000,000.0
Remaining unused authorization for stock repurchase program	$ 147,100,000
Repurchase of common stock (in shares)	235,590
Repurchase aggregate cost	$ 27,900,000