Equity Method Investments - Schedule of Joint Venture Revenues and Net Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Schedule Of Equity Method Investments [Line Items]
Operating (loss) income	$ 2,769	$ 3,474	$ 9,764	$ 7,973
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Schedule Of Equity Method Investments [Line Items]
Revenues			5,807	49,565
Operating (loss) income			3,787	23,861
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			3,769	1,611
Operating (loss) income			2,374	1,589
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | KNFH LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Revenues			303	16,882
Operating (loss) income			(144)	6,915
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | DHC8 LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Revenues			1,183	0
Operating (loss) income			1,009	0
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | HGC MPG Funding LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Revenues			552	0
Operating (loss) income			548	0
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | CPFH LLC [Member]
Schedule Of Equity Method Investments [Line Items]
Revenues			0	31,072
Operating (loss) income			$ 0	$ 15,357