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Investments in Non-Consolidated Entities - Additional Information (Details) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2019 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) officeAsset | Dec. 31, 2019 USD ($) officeAsset
Investments in and Advances to Affiliates [Line Items] |  |  |  |
Aggregate gain on sale of properties |  | $ 367,274 | $ 139,039 | $ 250,889
Distribution of net proceeds |  | 0 | 0 | 2,571
Lexington Reality Advisors Inc | Investment Advice |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |
Investment advisory fees |  | $ 2,968 | 3,028 | 3,596
Office Building |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |
Aggregate gain on sale of properties | $ 824 |  |  |
Proceeds from divestiture of interest in joint venture | $ 2,317 |  |  |
Non-consolidated Real Estate Entity |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |
Co-venture equity ownership percentage | 15.00% |  |  |
NNN Office Joint Venture Properties |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |
Aggregate gain on sale of properties |  |  |  | 3,529
NNN Office JV L.P. |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |
Proceeds from sale of property |  |  |  | 45,208
Distribution of net proceeds |  |  | $ 1,701 | $ 7,549
Co-venture equity ownership percentage |  | 20.00% |  |
NNN Office JV L.P. | NNN Office Joint Venture Properties |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |
Number of properties sold | officeAsset |  |  | 2 | 4
Aggregate gain on sale of properties |  |  | $ 557 |
Proceeds from sale of property |  |  | 8,504 |
NNN Office JV L.P. | Mortgages |  |  |  |
Investments in and Advances to Affiliates [Line Items] |  |  |  |
Extinguishment of debt |  |  | $ 40,800 | $ 101,520

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