Loans Portfolio - Schedule of Loans Receivable and Interests Portfolio By Loan Type (Details) (Parenthetical) - Concentration of Risk - Property Type	Sep. 30, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of total portfolio loans	100.00%	100.00%
Mixed-Use, Office
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of total portfolio loans	5.00%
Mixed-Use, Retail
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of total portfolio loans	2.00%
Mixed-Use, For Sale Condo
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of total portfolio loans	1.00%
Mixed-Use, Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Percentage of total portfolio loans	1.00%