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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 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 + Details
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