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Other Assets, Net Other Intangible Assets, Net (Details) - USD ($) | Dec. 31, 2019 | Jan. 01, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Schedule of Other Intangible Assets [Line Items] |  |  |
Intangible Assets, Gross (Excluding Goodwill) | $ 66,156,000 |  | $ 66,156,000
Intangible Assets, Accumulated Amortization | 17,536,000 |  | 10,687,000
Other Intangible Assets, Net | 48,620,000 | $ 767,000 | 55,469,000
Option to enter into ground lease amortization (3) |  |  |
Schedule of Other Intangible Assets [Line Items] |  |  |
Intangible Assets, Gross (Excluding Goodwill) | 17,090,000 |  | 17,090,000
Management and leasing contract amortization (1) |  |  |
Schedule of Other Intangible Assets [Line Items] |  |  |
Intangible Assets, Gross (Excluding Goodwill) | 48,900,000 |  | 48,900,000
Intangible Assets, Accumulated Amortization | 17,385,000 |  | 10,297,000
Other amortization (1) |  |  |
Schedule of Other Intangible Assets [Line Items] |  |  |
Intangible Assets, Gross (Excluding Goodwill) | 166,000 |  | 166,000
Intangible Assets, Accumulated Amortization | $ 151,000 |  | $ 390,000

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