Future Minimum Rents - Schedule of Minimum Lease Payments to be Received (Details) $ in Thousands	12 Months Ended
Dec. 31, 2017 USD ($)
Operating Leases, Future Minimum Payments Receivable, Fiscal Year Maturity [Abstract]
2018	$ 182,851
2019	158,902
2020	137,981
2021	114,726
2022	86,093
Thereafter	285,380
Total	$ 965,933
Minimum [Member]
Operating Leases, Future Minimum Payments Receivable, Fiscal Year Maturity [Abstract]
Remaining lease term	1 year
Maximum [Member]
Operating Leases, Future Minimum Payments Receivable, Fiscal Year Maturity [Abstract]
Remaining lease term	82 years

Operating Lease, Term Remaining

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- Definition

Operating Leases, Future Minimum Payments Receivable, Due in Six Years

+ References

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- Definition

Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84164653&loc=d3e41551-112718

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- Definition

Future rental payments receivable within one year of the balance sheet date under an operating lease.

+ References

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- Definition

Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.

+ References

+ Details

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- Definition

Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

+ References

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- Definition

Future rental payments receivable within the third year from the balance sheet date under an operating lease.

+ References

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- Definition

Future rental payments receivable within the second year from the balance sheet date under an operating lease.

+ References

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