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Commitments and Contingencies - Narrative (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2016 USD ($) tenants
Unsecured Debt | Revolving Credit Facility |
Loss Contingencies |
Letters of credit, amount outstanding | $ | $ 3.3
Rentable Square Feet | Customer Concentration Risk |
Loss Contingencies |
Concentration risk, percent | 27.70%
Number of tenants | tenants | 15
Rentable Square Feet | Customer Concentration Risk | Media And Entertainment Sector |
Loss Contingencies |
Concentration risk, percent | 13.30%
Rentable Square Feet | Customer Concentration Risk | Technology Sector |
Loss Contingencies |
Concentration risk, percent | 28.30%

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