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Investments In Unconsolidated Subsidiaries - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Schedule of Equity Method Investments [Line Items] |  |  |
Equity method investments in unconsolidated subsidiaries, variations in ownership percentage | 50.00% |  |
Gain on deconsolidation | $ 187,456 | $ 0 | $ 0
Industrious |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity method investments in unconsolidated subsidiaries, variations in ownership percentage | 40.00% | 40.00% |
Altus Power |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity method investments in unconsolidated subsidiaries, variations in ownership percentage | 14.30% |  |
Gain on deconsolidation | $ 187,500 |  |
Investment management | Real Estate Investments |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Revenue from Related Parties | $ 213,500 | $ 145,900 | $ 97,000

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