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Commitments and Contingencies - Ground Lease Commitments (Details)
$ in Thousands
Dec. 31, 2015
USD ($)
property
Commitments and Contingencies Disclosure [Abstract]  
Number of properties subject to ground leases (property) | property 3
2016 $ 1,518
2017 1,518
2018 1,518
2019 1,518
2020 1,518
Thereafter 56,730
Total $ 64,320