Annual report pursuant to Section 13 and 15(d)

Income Taxes Income Tax Expense (Benefit) (Details)

v3.10.0.1
Income Taxes Income Tax Expense (Benefit) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount $ (6,814) $ (11,899) $ 22,294
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount 20 17 (13)
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount (8,849) (8,153) (9,076)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount 8,640 23,666 2,888
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Amount 74 (5,713) (5,756)
Income Tax Reconciliation Foreign Dividends 1,103 0 51
Income tax impact to provision due to transaction costs 0 553 749
Tax Adjustments, Settlements, and Unusual Provisions (27) (917) 0
Effective Income Tax Rate Reconciliation, Tax Contingency, Amount 1,463 1,993 (1,204)
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount 0 (5) (72)
Current Foreign Tax Expense (Benefit) 1,640 1,784 1,092
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount 1,319 1,730 (802)
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount 1,960 1,368 0
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount 185 25,205 0
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount 0 1,257 0
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount (5,727) (51,177) (6,661)
Provision (benefit) for income taxes $ (6,653) $ (24,811) $ 2,398