Loans - Secured Loans Designated as Impaired Loans (Parenthetical) (Details)		1 Months Ended	12 Months Ended
		Feb. 28, 2022 USD ($) Loan	Dec. 31, 2021 USD ($) Loan	Dec. 31, 2020 USD ($) Loan
Loans Details Secured Loan Transactions [Line Items]
Number of loans | Loan			4	3
Principal | $	[1]		$ 1,044,000	$ 15,139,000
Paid in full in February 2022 [Member]
Loans Details Secured Loan Transactions [Line Items]
Number of loans | Loan		3
Principal | $		$ 987,000

[1] In February 2022, three loans, with aggregate principal of approximately $987,000, included in the table above for 2021 paid in full or were brought current.