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Income Taxes Effective tax rate (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Effective Income Tax Rate Reconciliation, Percent [Abstract] |  |  |
GILTItaxexpense | $ 6,118 | $ 2,363 | $ 0
GILTItaxexpensepercent | 5.30% | 10.60% | 0.00%
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest | $ 114,707 | $ 22,374 | $ 51,283
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate | 24,088 | 4,699 | 17,950
Income Tax Reconciliation, State and Local Income Taxes | 1,269 | 927 | (403)
Income Tax Reconciliation, Tax Credits | (2,896) | (4,961) | (2,783)
Income Tax Reconciliation, Foreign Income Tax Rate Differential | $ (5,939) | $ (2,944) | $ 3,481
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% | 21.00% | 35.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes | 1.10% | 4.10% | (0.80%)
Effective Income Tax Rate Reconciliation, Tax Credits | (2.50%) | (22.20%) | (5.40%)
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential | (5.20%) | (13.20%) | 6.80%
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount | $ (8,446) | $ (11,040) | $ (18,958)
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Percent | (7.40%) | (49.30%) | (37.00%)
Effective Income Tax Rate, Continuing Operations | 11.90% | (28.70%) | (33.80%)
Tax reform | $ 0 | $ 826 | $ 3,076
EffectiveIncomeTaxRateREconciliationTaxReform | 0 | 0.037 | 0.060
EffectiveIncomeTaxRateReconciliationIPMigration | $ (2,118) | $ 3,252 | $ 3,367
EffectiveTaxRateReconciliationIPMigrationPercent | (0.018) | 0.145 | 0.066
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount | $ 1,393 | $ 3 | $ 1,125
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent | 1.20% | 0.10% | 2.20%
EffectiveIncomeTaxRateReconciliationBargainPurchaseGain | $ 0 | $ 0 | $ (24,811)
EffectiveTaxRateReconciliationBargainPurchaseGainPercent | 0 | 0 | (0.484)
Effectiveincometaxreconciliation,nondeductiblecompensation | $ 203 | $ 456 | $ 595
Effectivetaxratereconciliationnondeductiblecomppercent | 0.20% | 2.00% | 1.20%
Income Tax Expense (Benefit) | $ 13,672 | $ (6,419) | $ (17,361)

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