Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Statement Of Income And Comprehensive Income [Abstract] | |||
| Net loss | $ (95,817) | $ (82,177) | $ (83,072) |
| Other comprehensive loss: | |||
| Unrealized loss on cash flow hedge | (350) | ||
| Comprehensive loss | $ (96,167) | $ (82,177) | $ (83,072) |