Commercial Mortgage Loans Held for Investment - Schedule of Commercial Mortgage Loans held for Investment (Parenthetical) (Details)	Sep. 15, 2022	Dec. 15, 2021
LIBOR [Member]
Mortgage Loans On Real Estate [Line Items]
Mortgage loans applicable reference rate percentage	2.818%	0.11%
SOFR [Member]
Mortgage Loans On Real Estate [Line Items]
Mortgage loans applicable reference rate percentage	2.845%	0.05%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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