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Co-investments - Summary of Investments (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020
Schedule of Equity Method Investments [Line Items] |  |
Co-investments | $ 1,052,824 | $ 1,018,010
Distributions in excess of investments in co-investments | 29,037 | 0
Total operating and other co-investments, net |  |
Schedule of Equity Method Investments [Line Items] |  |
Co-investments | $ 470,806 | 358,266
Wesco I (2), Wesco III, Wesco IV, Wesco V, and Wesco VI |  |
Schedule of Equity Method Investments [Line Items] |  |
Weighted average company ownership percentage | 52.00% |
Co-investments | $ 138,745 | 178,322
BEXAEW, BEX II, BEX III, BEX IV, and 500 Folsom |  |
Schedule of Equity Method Investments [Line Items] |  |
Weighted average company ownership percentage | 50.00% |
Co-investments | $ 273,557 | 152,309
Other |  |
Schedule of Equity Method Investments [Line Items] |  |
Weighted average company ownership percentage | 46.00% |
Co-investments | $ 58,504 | 27,635
Total development co-investments |  |
Schedule of Equity Method Investments [Line Items] |  |
Weighted average company ownership percentage | 50.00% |
Co-investments | $ 9,965 | 157,433
Total preferred interest co-investments |  |
Schedule of Equity Method Investments [Line Items] |  |
Co-investments | 572,053 | 502,311
Total preferred interest co-investments | Investments in Majority-owned Subsidiaries |  |
Schedule of Equity Method Investments [Line Items] |  |
Co-investments | $ 87,500 | $ 81,400

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