Loans Portfolio - Schedule of Interests in Loans Receivable Portfolio (Details) - Held-to-maturity Securities - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable Recorded Investment Past Due [Line Items]
Balance	$ 338,270	$ 222,891
Advances on existing interests in loans receivable	101,767	118,582
Non-cash advances to interests in loans receivable in lieu of interest	18,733	13,782
Exit fees received on interests in loans receivable	(265)
Extension fees received on interests in loans receivable		(453)
Repayments of interests in loans receivable	(269,988)	(15,417)
Repayment of non-cash advances to interests in loans receivable in lieu of interest	(27,903)	(1,566)
Accretion of origination fees, net	1,250	451
Allowance for loan loss	(14)
Balance	$ 161,850	$ 338,270