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Income Taxes, Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020
Deferred Tax Assets [Abstract] |  |
Inventory differences | $ 5,859 | $ 6,181
Foreign tax credit and other foreign benefits | 69,401 | 57,720
Stock-based compensation | 9,392 | 8,925
Accrued expenses not deductible until paid | 36,401 | 42,694
Foreign currency exchange | 605 | 1,403
Net operating losses | 9,479 | 8,667
Capitalized research and development | 22,962 | 23,019
R&D credit carryforward | 1,451 | 1,229
Other | 34 | 45
Gross deferred tax assets | 155,584 | 149,883
Deferred Tax Liabilities [Abstract] |  |
Foreign withholding taxes | 15,412 | 20,207
Intangibles step-up | 4,446 | 4,623
Overhead allocation to inventory | 3,373 | 2,684
Amortization of intangibles | 21,936 | 18,551
Other | 6,133 | 1,690
Gross deferred tax liabilities | 51,300 | 47,755
Valuation allowance | (80,186) | (67,340)
Deferred taxes, net | 24,098 | $ 34,788
Tax Credit Carryforwards [Abstract] |  |
Valuation allowance on foreign tax credit carryforward, interest expense limitation, and R&D credit carryforward | $ 70,900 |
Minimum [Member] |  |
Tax Credit Carryforwards [Abstract] |  |
Expiration date | Dec. 31, 2026 |
Maximum [Member] |  |
Tax Credit Carryforwards [Abstract] |  |
Expiration date | Dec. 31, 2030 |
Foreign [Member] |  |
Operating Loss Carryforwards [Abstract] |  |
Operating loss carryforwards | $ 26,700 |
Operating loss carryforwards subject to expiration | 12,400 |
Operating loss carryforwards not subject to expiration | 14,300 |
Valuation allowance on operating loss carryforwards | 25,800 |
Tax effected valuation allowance on operating loss carryforwards | $ 9,300 |
Foreign [Member] | Minimum [Member] |  |
Operating Loss Carryforwards [Abstract] |  |
Expiration date | Dec. 31, 2022 |
Foreign [Member] | Maximum [Member] |  |
Operating Loss Carryforwards [Abstract] |  |
Expiration date | Dec. 31, 2031 |

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