Schedule of the Components of Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Schedule Of Equity Method Investments [Line Items]
Assets	$ 45,352	$ 44,555
Liabilities	13,768	14,612
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Schedule Of Equity Method Investments [Line Items]
Assets	15,763	10,791
Liabilities	5,863	5,375
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | Oak Grove Asset Acquisitions LP [Member]
Schedule Of Equity Method Investments [Line Items]
Liabilities		1
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | CPFH LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Assets	11,653	10,791
Liabilities	5,852	$ 5,374
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]
Assets	4,110
Liabilities	$ 11