v3.22.2.2

Investment in Loans (Schedule of Residential Mortgage Loans: Geographic Distribution) (Details) - Financing Receivables, Unpaid Principal Balance [Member] - Residential mortgage loans - Geographic Concentration Risk [Member] | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 100.00% | 100.00%
CALIFORNIA |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 34.20% | 40.20%
Florida [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 16.60% | 14.90%
Texas [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 10.50% | 11.90%
Colorado [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 1.60% | 2.00%
MASSACHUSETTS |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 1.90% | 2.20%
WASHINGTON |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 1.70% | 1.50%
NEVADA |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 1.90% | 1.90%
OREGON |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 1.30% | 1.80%
ARIZONA |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 3.00% | 2.10%
UTAH |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 3.50% | 2.90%
NEW YORK |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 1.30% | 1.70%
CONNECTICUT |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 0.90% | 1.20%
MARYLAND |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 1.00% | 0.70%
NORTH CAROLINA |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 2.60% | 1.80%
NEW JERSEY |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 1.80% | 1.10%
ILLINOIS |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 1.70% | 2.00%
Other [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 7.70% | 6.10%
GEORGIA |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 2.40% | 1.50%
Tennessee [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 2.30% | 1.60%
NEW JERSEY |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Percentage of Total Outstanding Unpaid Principal Balance | 2.10% | 0.90%

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