Schedule of Joint Venture Revenues and Net Income (Loss) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Schedule Of Equity Method Investments [Line Items]
Net income	$ 1,619	$ 2,077
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Schedule Of Equity Method Investments [Line Items]
Revenues	232	2,039
Net income	(4)	394
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Oak Grove Asset Acquisitions LP [Member]
Schedule Of Equity Method Investments [Line Items]
Revenues		1,098
Net income		219
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | CPFH LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Revenues	215	801
Net income		42
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | HGC Funding I LLC and Origination I LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Revenues	17	140
Net income	$ (4)	$ 133