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Fair Value of Financial Instruments - Investment in Securities and Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Carrying Value | Unsecured debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt	$ 2,635,000	$ 2,660,000
Carrying Value | Secured debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt	1,798,118	1,950,088
Carrying Value | Consolidated joint venture partner debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt	66,136	66,136
Fair Value | Unsecured debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt	2,200,793	2,364,871
Fair Value | Secured debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt	1,776,417	1,927,297
Fair Value | Consolidated joint venture partner debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Debt	$ 59,558	$ 60,327

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- Definition

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+ References

No definition available.

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- Definition

Fair value portion of notes payable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19,20,22)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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