Income Taxes - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | |||
Balance at beginning of period | $ 0 | $ 35,196 | $ 66,161 |
Foreign currency adjustments | 0 | 0 | 0 |
Statute expiration | 0 | 0 | (3,295) |
Gross increases (decreases) of tax positions in prior period | 0 | (35,196) | (28,178) |
Audit resolution | 0 | 0 | 0 |
Gross increases of tax positions in current period | 0 | 0 | 508 |
Balance at end of period | $ 0 | $ 0 | $ 35,196 |