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Real Estate Securities - Summary of Significant Valuation Assumptions for Available for Sale Securities Credit Loss (Details) - Subordinate Securities	3 Months Ended
	Mar. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Default rate	0.70%
Loss severity	24.00%

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- Definition

Debt Securities, Available-for-sale, Allowance for Credit Loss, Qualitative Disclosures, Default Rate

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- Definition

Debt Securities, Available-for-sale, Allowance for Credit Loss, Qualitative Disclosures, Severity

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- Definition

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.

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