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Income Taxes - Income Before Provision for Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Expense Benefit Continuing Operations Income Tax Reconciliation [Abstract] |  |  |
Federal income tax provision at statutory rate | $ (125) | $ 11,203 | $ 20,931
State taxes, net of federal effect | 113 | 747 | 573
Foreign taxes, net of federal effect | (1,277) | 17 | (238)
Domestic manufacturing benefit |  |  | (1,569)
Foreign Derived Intangible Income ("FDII") Deduction | (2,278) | (2,217) |
Global Intangible Low-Taxes Income ("GILTI") inclusion | 1,786 | 113 |
Non-deductible officer's compensation | 826 | 526 |
Research & development tax credit | (2,126) | (2,298) | (1,559)
Remeasurement of deferred tax balances, related to the Tax Act |  | (33) | 8,020
Transition tax on foreign earnings, related to the Tax Act |  | 138 | (106)
Other | 574 | 54 | 841
Total income tax expense (benefit) | $ (2,507) | $ 8,250 | $ 26,893
Effective tax rate | 420.00% | 15.00% | 45.00%

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- Definition Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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