Income Taxes (Carryforward) (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Net operating loss and tax credit carryforwards |
|
|
|
| Unrecorded tax benefits for stock-based compensation |
$ 19,100
|
|
|
| Reconciliation of the changes in the gross balance of unrecognized tax benefits, excluding interest and penalties |
|
|
|
| Balance at the beginning of the period |
3,583
|
$ 2,943
|
$ 2,318
|
| Current year additions |
|
640
|
625
|
| Balance at the end of the period |
3,583
|
$ 3,583
|
$ 2,943
|
| Additional unrecognized tax benefits |
0
|
|
|
| Unrecognized tax benefits that would, if recognized, impact the Company's effective income tax rate |
3,600
|
|
|
| Undistributed foreign earning |
2,700
|
|
|
| Unrecognized deferred tax liabilities from temporary differences related to the investment in foreign subsidiary that would have been taxable if the Company repatriated the foreign earnings |
1,000
|
|
|
| State |
|
|
|
| Net operating loss and tax credit carryforwards |
|
|
|
| Net operating losses |
75,926
|
|
|
| Tax credit carryforwards |
2,799
|
|
|
| Foreign |
|
|
|
| Net operating loss and tax credit carryforwards |
|
|
|
| Net operating losses |
20
|
|
|
| Federal |
|
|
|
| Net operating loss and tax credit carryforwards |
|
|
|
| Net operating losses |
78,135
|
|
|
| Tax credit carryforwards |
$ 6,743
|
|
|