Income Taxes - Income (Loss) Before Income Taxes on Continuing Operations (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Income Tax Disclosure [Abstract] | |||||||||||
| Foreign | $ 334 | $ 31,388 | $ 34,723 | ||||||||
| United States | (118,914) | (105,767) | (75,413) | ||||||||
| Loss from continuing operations before income taxes | $ (13,658) | $ (19,454) | $ (19,920) | $ (65,548) | $ (37,282) | $ (4,643) | $ (14,889) | $ (17,565) | $ (118,580) | $ (74,379) | $ (40,690) |