Summary of Significant Accounting Policies - Additional Information (Details)	3 Months Ended
Mar. 31, 2022 USD ($) variableInterestEntity property	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($) property
Variable Interest Entity [Line Items]
Number of properties held-for-sale (in properties) \| property	0		2
Conversion of stock, conversion ratio	1
Cash equivalents	$ 0		$ 0
Loans held for sale	0		$ 0
Loss from sale of securities	0	$ (131,000)
Income tax expense (benefit)	36,000	(1,801,000)
CRE securities \| CRE Securities
Variable Interest Entity [Line Items]
Loss from sale of securities	$ 0	$ 1,000,000
Unconsolidated VIEs \| Third Party Joint Venture Partners \| Minimum
Variable Interest Entity [Line Items]
Ownership percentage by noncontrolling owners (in percentage)	5.00%		5.00%
Unconsolidated VIEs \| Third Party Joint Venture Partners \| Maximum
Variable Interest Entity [Line Items]
Ownership percentage by noncontrolling owners (in percentage)	11.00%		11.00%
Primary Beneficiary
Variable Interest Entity [Line Items]
Number of investing VIEs (in variable interest entities) \| variableInterestEntity	1

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Real Estate Held-For-Sale, Number Of Properties Held-For-Sale

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Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before valuation allowance, of financing receivable classified as held-for-sale.

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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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