Commitments and Contingencies - Narrative (Details) - Jun. 30, 2015 $ in Millions |
USD ($)
claim
tenant
|
|---|---|
| Commitments and Contingencies Disclosure [Abstract] | |
| Outstanding claims | claim | 0 |
| Total commitments | $ 75.8 |
| Total commitments relating to future acquisitions | 68.1 |
| Contingently liable amount of debt owed by tenant | $ 5.7 |
| Number of tenants indemnified by | tenant | 1 |