Income Taxes - Change in Valuation Allowance (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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| Deferred Tax Assets, Valuation Allowance [Roll Forward] | |||
| Valuation allowance, beginning balance | $ 73,659 | $ 50,782 | $ 39,122 |
| Acquired valuation allowance from purchased acquisitions | (1,400) | 2,356 | |
| Increase in valuation allowance | (19,060) | 22,877 | 9,304 |
| Valuation allowance, ending balance | $ 53,199 | $ 73,659 | $ 50,782 |
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- Definition Deferred Tax Assets, Valuation Allowance [Roll Forward] No definition available.
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- Definition Deferred Taxes, Business Combinations, Valuation Allowance No definition available.
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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