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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Operating Loss Carryforwards [Line Items] |  |  |
Statutory tax rate, percentage | 21.00% | 21.00% | 35.00%
Deferred tax assets, net of operating losses | $ 11,500 |  |
Deferred tax assets, net of operating losses | 700 |  |
Undistributed earnings of foreign subsidiaries | 35,100 |  |
Foreign earnings repatriated | 10,000 |  |
Foreign withholding tax | 500 |  |
Cash held in foreign operations | 13,300 |  |
Estimated future foreign withholding tax obligation | 700 |  |
Unrecognized tax benefits that would affect the effective tax rate |  | $ 300 |
Lapses of applicable statute of limitations | $ 329 | 3,060 | $ 0
Minimum |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Statute of limitations expiration period, in years | 4 years |  |
Maximum |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Statute of limitations expiration period, in years | 10 years |  |
Federal |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax assets, net of operating losses | $ 500 |  |
Deferred tax assets, net of operating losses | 100 |  |
State |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax assets, net of operating losses | 10,800 |  |
Deferred tax assets, net of operating losses | 600 |  |
Foreign Tax Authority |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax assets, net of operating losses | $ 200 |  |
Germany and Brazil |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax assets, net of operating losses |  | $ 1,700 |

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