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Rental Income (Tables) | 12 Months Ended
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Dec. 31, 2014
Leases [Abstract] |
Schedule of Future Minimum Payments Receivable for Operating Leases | As of December 31, 2014, we were entitled to the following future contractual minimum lease payments on non-cancellable operating leases to be received which expire on various dates through 2030 (amounts in thousands):
2015 |  |  | $ | 401,615 |
2016 |  |  | 369,166 |
2017 |  |  | 341,395 |
2018 |  |  | 302,143 |
2019 |  |  | 275,509 |
Thereafter |  |  | 1,298,926 |
|  |  | $ | 2,988,754 |

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