Income Taxes - Reconciliation of Differences Between Provision (Benefit) for Income Tax Computed and Reported Provision for Income Taxes (Detail) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Income Tax Disclosure [Abstract] |
|
|
|
| Taxes on earnings at statutory rate in domicile of parent company |
$ (41,503)
|
$ (26,033)
|
$ (22,494)
|
| Earnings taxed at rates less or greater than parent company rates: |
|
|
|
| Foreign |
(297)
|
(1,944)
|
(4,646)
|
| State income taxes, net of U.S. federal benefit |
(3,050)
|
916
|
(2,275)
|
| Stock issuance costs |
1,947
|
0
|
0
|
| Non deductibles |
2,681
|
6,243
|
4,986
|
| Changes in provision (benefit) for unrecognized tax positions |
91
|
(1,117)
|
1,381
|
| Change in valuation allowance |
(19,027)
|
18,272
|
7,873
|
| Stock-based compensation |
1,990
|
(557)
|
(133)
|
| Deferred tax adjustments |
(595)
|
3,965
|
(929)
|
| Section 162(m) |
0
|
0
|
244
|
| Deemed dividend/previously taxed income |
1,850
|
0
|
8,728
|
| Prior year tax settlement |
(246)
|
(2,229)
|
856
|
| Transfer pricing allocation |
2,011
|
3,133
|
2,407
|
| Other |
117
|
(420)
|
10
|
| Total provision (benefit) for income taxes |
$ (54,031)
|
$ 229
|
$ (3,992)
|