Equity - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Oct. 31, 2016
Equity, Class of Treasury Stock [Line Items]
Purchase of treasury stock (in shares)	714,251	60,833
Purchase of treasury stock	$ 15,959	$ 1,485
Accrued in Other Current Liabilities	1,000
Treasury Stock
Equity, Class of Treasury Stock [Line Items]
Purchase of treasury stock	$ 15,959	$ 1,485
Class B Shares
Equity, Class of Treasury Stock [Line Items]
Number of shares authorized under share repurchase program (in shares)	500,000		4,000,000
Purchase of treasury stock (in shares)	714,000
Remaining number of shares authorized to be repurchased (in shares)	347,000