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Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
Income Taxes (Textual) [Abstract] |  |  |  |  |
Effective tax rate (percent) | 48.90% | 22.20% | 48.70% | 27.40% |
Unrecognized tax benefits, increase resulting from prior period tax positions | $ 565 |  | $ 565 |  |
Undistributed earnings on a book basis for the non-U.S. subsidiaries | 5,600 |  | 5,600 |  |
Unrecognized deferred tax liability related to undistributed earnings of non-U.S. subsidiaries | 343 |  | 343 |  |
Total unrecognized tax benefits | 10,000 |  | 10,000 |  |
Unrecognized tax benefits affecting the company's effective income tax rate | 8,600 |  | 8,600 |  |
Unrecognized tax benefits to be recorded in discontinued operations | 1,400 |  | 1,400 |  |
Accrued interest and penalties | 1,700 |  | 1,700 |  | $ 1,500
Significant change in unrecognized tax benefits that is reasonably possible | 7,900 |  | 7,900 |  |
Expected additional federal and state tax expense | $ 31,000 |  | $ 31,000 |  |

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