Equity Method Investments- Schedule of the Components of Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Schedule Of Equity Method Investments [Line Items]
Total assets	$ 83,706	$ 83,168
Total liabilities	20,674	22,088
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Schedule Of Equity Method Investments [Line Items]
Total assets	76,593	81,973
Total liabilities	6,324	5,401
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | KNFH LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Total assets	0	292
Total liabilities	0	289
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | DHC8 LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Total assets	4,700	7,061
Total liabilities	1,080	1,102
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | KNFH II LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Total assets	8,306	8,150
Total liabilities	4,000	4,000
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]
Total assets	27,174	28,389
Total liabilities	1,244	10
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | HGC MPG Funding LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Total assets	36,413	38,081
Total liabilities	$ 0	$ 0