Investments in Affiliates - Narratives (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Schedule of Equity Method Investments [Line Items]
Assets	$ 1,931,824	$ 1,587,333
Impairment charges related to equity method investments	19,300	7,300
Gain (loss) on equity method investment	6,900	500	$ 5,000
Variable Interest Entity, Not Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Assets	25,200	56,900
Net loss attributable to variable interest entities	$ 18,900	$ 15,400	$ 11,300