Loans Held for Investment - Narrative (Details)	12 Months Ended
	Dec. 31, 2021 loan	Dec. 31, 2020 loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Weighted average risk rating	2.9	3.0
Number of Loans	26	5
Percentage of Value	100.00%	100.00%
Risk Rating, 4
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	1	0
Percentage of Value	2.00%