| **Other Assets**                                                                 | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
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| **Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| Other Assets                                                                     | Other Assets    Other assets consist of the following: September 30, 2015 December 31, 2014Retained interest investments$10,137 $9,932Accounts receivable, net4,401 4,385Prepaid expenses6,326 4,783Straight line rent3,716 2,869Income tax receivable1,247 778Other assets5,485 6,305Accrued interest receivable for Senior Notes held by special purpose entity (Note 5)1,335 2,938Total other assets$32,647 $31,990 |

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| - References
No definition available.
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| - Definition
The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent assets.
+ References
No definition available.
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