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Fair Value Measurements (Tables) | 6 Months Ended
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Jun. 30, 2018
Fair Value Disclosures [Abstract] |
Schedule of Aggregate Carrying Values and Fair Values of Long-term Fixed Interest Rate Debt | A summary of the aggregate carrying values, excluding unamortized debt issuance cost, and fair values of our long-term fixed interest rate debt is as follows (in thousands):
|  | June 30, 2018 |  | December 31, 2017
Carrying value |  |  |  |
5.25% Senior Notes due 2025 |  | $ | 300,000 |  |  | $ | 300,000 |
Real Estate Mortgages and Other Debt |  | 451,950 |  |  | 376,880 |
|  | $ | 751,950 |  |  | $ | 676,880 |
Fair value |  |  |  |
5.25% Senior Notes due 2025 |  | $ | 291,750 |  |  | $ | 312,750 |
Real Estate Mortgages and Other Debt |  | 450,686 |  |  | 385,337 |
|  | $ | 742,436 |  |  | $ | 698,087 |

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- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
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