Deferred Costs, Acquired Lease Intangibles and Goodwill - Future Amortization Expense and Rental Revenue (Details) $ in Thousands	Dec. 31, 2015 USD ($)
Future Rental Revenue [Abstract]
2016	$ 9,283
2017	5,658
2018	6,338
2019	6,552
2020	3,453
Thereafter	18,643
Future Rental Revenue	49,927
Ground Lease [Member]
Future Amortization Expense [Abstract]
2016	7,831
2017	7,831
2018	7,831
2019	7,831
2020	7,831
Thereafter	344,736
Future Amortization Expense	383,891
Lease Agreements [Member]
Future Amortization Expense [Abstract]
2016	32,756
2017	25,331
2018	19,298
2019	16,534
2020	13,389
Thereafter	64,027
Future Amortization Expense	$ 171,335

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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Above and Below Market Lease, Net, Amortization Income, Year Five

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Above and Below Market Lease, Net, Amortization Income, Year Four

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Above and Below Market Lease, Net, Amortization Income, Year Three

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Above and Below Market Lease, Net, Amortization Income, Year Two

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Above and Below Market Lease, Net, Amortization Income, after Year Five

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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