Investments in Unconsolidated Entities Summarized Financial Information Results of Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Equity Method Investments and Joint Ventures [Abstract]
Equity Method Investment, Summarized Financial Information, Interest Income	$ 10,935	$ 30,587
Equity Method Investment, Summarized Financial Information, Interest expense	(9,243)	(13,316)
Equity Method Investment, Summarized Financial Information, Net interest income	1,692	17,271
Equity Method Investment, Summarized Financial Information, Realized and unrealized gain (loss) on investments	44,362	40,901
Equity Method Investment, Summarized Financial Information, Other, net	44,031	31,848
Equity Method Investment, Summarized Financial Information, Total other income (loss)	88,393	72,749
Equity Method Investment, Summarized Financial Information, Expenses	65,492	58,018
Equity Method Investment, Summarized Financial Information, Net income (loss) before income tax	24,593	32,002
Equity Method Investment, Summarized Financial Information, Tax expense (benefit)	776	979
Equity Method Investment, Summarized Financial Information, Net Income (Loss)	$ 23,817	$ 31,023