Leased Property (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Leased property under capital lease | $ 58,604 | $ 3,367 | |
| Less: accumulated depreciation | (4,544) | (1,700) | |
| Leased property under capital lease, net | 54,060 | 1,667 | |
| Depreciation | 4,650 | 2,006 | $ 1,946 |
| Leased property. | |||
| Depreciation | $ 2,900 | $ 500 | $ 500 |