Investments - Schedule of Minimum Future Contractual Rent to be Received (Details) $ in Thousands |
Sep. 30, 2016
USD ($)
|
|---|---|
| Operating Leases, Future Contractual Rent Receivable | |
| Remainder of 2016 | $ 151,256 |
| 2017 | 607,742 |
| 2018 | 594,423 |
| 2019 | 577,854 |
| 2020 | 557,730 |
| Thereafter | 4,535,935 |
| Total future minimum rentals | $ 7,024,940 |