Non-controlling Interest - Narrative (Details) - USD ($) shares in Thousands, $ in Thousands	1 Months Ended		6 Months Ended
	May 31, 2020	Feb. 29, 2020	Jun. 30, 2020	Jun. 30, 2019
Noncontrolling Interest [Line Items]
Increase in authorized amount under stock repurchase program	$ 20,000	$ 20,000
Repurchase of common units (in shares)	1,100
Payments for the repurchase of common units	$ 20,000		$ 20,000	$ 13,597
Class A Common Stock
Noncontrolling Interest [Line Items]
Issuance of common stock (in shares)			16,100