Commitments and Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Loss Contingencies [Line Items]
Unfunded loan commitments	$ 57,772	$ 18,857
Weighted average initial maturity	3 years 9 months 18 days	4 years 2 months 12 days
Mortgages and Related Assets
Loss Contingencies [Line Items]
Borrowings outstanding	$ 340,869
Weighted average maturity	1 year 4 months 24 days
Unfunded Commitments
Loss Contingencies [Line Items]
Weighted average initial maturity	2 years 1 month 6 days