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Organization, Properties, Basis of Presentation, Financial Instruments and Recent Accounting Standards - Variable Interest Entities (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2023 USD ($)	Jan. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)
Variable interest entity
Gain on consolidation of Sponsored REIT	$ 394
Cash, cash equivalents and restricted cash	6,697		$ 6,632	$ 4,693	$ 40,751
VIE at Consolidation
Real estate assets	1,081,959		1,103,248
Acquired real estate leases	8,828		10,186
Related party mortgage loan receivable			$ 19,763
Debt Securities, Available-for-Sale, Valuation Technique [Extensible Enumeration]			us-gaap:ValuationTechniqueDiscountedCashFlowMember
Level 3
VIE at Consolidation
Related party mortgage loan receivable			$ 19,763
Level 3 | Exit Cap Rate | Maximum
VIE at Consolidation
Measurement input			7.50
Level 3 | Exit Cap Rate | Minimum
VIE at Consolidation
Measurement input			7.50
Level 3 | Exit Cap Rate | Weighted Average
VIE at Consolidation
Measurement input			7.50
Level 3 | Discount Rate | Maximum
VIE at Consolidation
Measurement input			9.50
Level 3 | Discount Rate | Minimum
VIE at Consolidation
Measurement input			9.50
Level 3 | Discount Rate | Weighted Average
VIE at Consolidation
Measurement input			9.50
Variable interest entities ("VIEs")
Variable interest entity
Gain on consolidation of Sponsored REIT	400
Cash, cash equivalents and restricted cash	2,604		$ 0
VIE at Consolidation
Real estate assets	19,524	$ 19,695	0
Acquired real estate leases	$ 305	305	305
Total		20,000
Variable interest entities ("VIEs") | Level 3
VIE at Consolidation
Related party mortgage loan receivable		$ 20,000
Debt Securities, Available-for-Sale, Valuation Technique [Extensible Enumeration]		us-gaap:ValuationTechniqueDiscountedCashFlowMember
Variable interest entities ("VIEs") | Level 3 | Exit Cap Rate | Maximum
VIE at Consolidation
Measurement input		7.50
Variable interest entities ("VIEs") | Level 3 | Exit Cap Rate | Minimum
VIE at Consolidation
Measurement input		7.50
Variable interest entities ("VIEs") | Level 3 | Exit Cap Rate | Weighted Average
VIE at Consolidation
Measurement input		7.50
Variable interest entities ("VIEs") | Level 3 | Discount Rate | Maximum
VIE at Consolidation
Measurement input		9.50
Variable interest entities ("VIEs") | Level 3 | Discount Rate | Minimum
VIE at Consolidation
Measurement input		9.50
Variable interest entities ("VIEs") | Level 3 | Discount Rate | Weighted Average
VIE at Consolidation
Measurement input		9.50
VIE, Not Primary Beneficiary
Variable interest entity
Maximum exposure to losses associated with VIE			22,100
VIE, Not Primary Beneficiary | Prepaid expenses and other assets
Variable interest entity
Accrued interest and exit fee receivables			$ 2,300

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Carrying amount as of the balance sheet date of interest and exit fees earned but not received.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

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The gain (loss) recognized on initial consolidation of a variable interest entity (VIE) when the VIE is not a business (as defined).

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