Deferred Costs, Acquired Lease Intangibles and Goodwill - Future Amortization Expense and Rental Revenue (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Future Rental Revenue [Abstract]
2020	$ 2,850
2021	3,169
2022	3,129
2023	2,566
2024	2,558
Thereafter	4,082
Future Rental Revenue	18,354
Ground lease
Future Amortization Expense [Abstract]
2020	7,831
2021	7,831
2022	7,831
2023	7,831
2024	7,831
Thereafter	305,580
Future Amortization Expense	344,735
Lease agreements
Future Amortization Expense [Abstract]
2020	10,977
2021	10,175
2022	9,622
2023	7,757
2024	6,652
Thereafter	16,740
Future Amortization Expense	$ 61,923

Above and Below Market Lease, Net

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Above and Below Market Lease, Net, Amortization Income, Next Twelve Months

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Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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