Segment Reporting - Economic Income (Loss) to GAAP (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) segment	Mar. 31, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
Reconciliation to U.S. GAAP Company's Economic Income (Loss)
Preferred stock dividends	$ 1,698	$ 1,698
Amortization of (discount)/premium on convertible debt	77	776
Bargain Purchase Gain, net of tax	0	3,855
Income tax expense (benefit)	11,889	54,428
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	55,147	152,066
Adjustments
Reconciliation to U.S. GAAP Company's Economic Income (Loss)
Noncontrolling Interest (Adjusted)	20,131	4,562
Preferred stock dividends	1,698	1,698
Amortization of (discount)/premium on convertible debt	(75)	(776)
Acquisition related amounts	(80)	(238)
Contingent Consideration Payable	(5,133)	6,798
Debt extinguishment gain (loss) and accelerated debt costs	0	(4,538)
Bargain Purchase Gain, net of tax	0	3,855
Income tax expense (benefit)	(11,889)	(54,428)
Economic income tax expense	13,048	52,751
OpCo | Operating Segments
Reconciliation to U.S. GAAP Company's Economic Income (Loss)
Economic Income	36,297	143,858
Income tax expense (benefit)	11,832	55,085
Asset Co | Operating Segments
Reconciliation to U.S. GAAP Company's Economic Income (Loss)
Economic Income	1,150	(1,476)
Income tax expense (benefit)	$ 57	$ (657)