Intangible Assets - (Intangibles - Future Amortization) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Below Market Ground Lease
Future Amortization of Intangible Assets:
2020 (three months)	$ 69
2021	276
2022	276
2023	276
2024	276
Thereafter	16,136
Finite-lived intangible assets, net	17,309	$ 17,516
Above Market Rents
Future Amortization of Intangible Assets:
2020 (three months)	1,791
2021	6,578
2022	5,209
2023	4,160
2024	3,280
Thereafter	8,304
Finite-lived intangible assets, net	29,322	35,699
In Place Leases
Future Amortization of Intangible Assets:
2020 (three months)	11,939
2021	39,902
2022	28,017
2023	22,858
2024	17,969
Thereafter	40,444
Finite-lived intangible assets, net	161,129	$ 202,760
Below Market Rents
Future Amortization of Intangible Liabilities:
2020 (three months)	(4,193)
2021	(14,148)
2022	(11,076)
2023	(9,388)
2024	(8,172)
Thereafter	(19,394)
Finite-lived intangible liabilities, net	(66,371)
Above Market Ground Lease
Future Amortization of Intangible Liabilities:
2020 (three months)	(12)
2021	(46)
2022	(46)
2023	(46)
2024	(46)
Thereafter	(1,442)
Finite-lived intangible liabilities, net	$ (1,638)

Finite Lived Intangible Assets Amortization Expense After Year Four

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Finite Lived Intangible Liabilities Amortization Expense after Year Four

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Finite Lived Intangible Liabilities Amortization Expense Remainder Of Fiscal Year

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Finite Lived Intangible Liabilities Amortization Expense Year Four

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Finite Lived Intangible Liabilities, Amortization Expense, Year One

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Finite Lived Intangible Liabilities Amortization Expense Year Three

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Finite Lived Intangible Liabilities Net

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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 remainder of current fiscal year.

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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 fourth 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 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 of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second 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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