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