Equity Method Investments- Schedule of the Components of Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Schedule Of Equity Method Investments [Line Items]
Assets	$ 79,882	$ 67,560
Liabilities	25,637	19,261
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Schedule Of Equity Method Investments [Line Items]
Assets	67,945	61,946
Liabilities	1,429	2,579
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	46,340	53,385
Liabilities	0	1,504
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | KNFH LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Assets	297	0
Liabilities	285	47
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | DGC8 LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Assets	7,922	8,561
Liabilities	1,144	1,028
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | HGC MPG Funding LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Assets	13,386	0
Liabilities	$ 0	$ 0