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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Operating Loss Carryforwards [Line Items] |  |  |
Impact of tax reform | $ (3,331) | $ 10,236 | $ 0
Decrease in transition tax liability on deemed repatriation | 4,200 |  |
Rate change of deferreds | 1,200 | (3,334) | $ 0
Decrease in valuation allowance | 4,800 |  |
Additional unrecognized tax benefit that would affect our annual effective tax rate | 236 | $ 234 |
Withholding taxes | 3,326 |  |
Foreign tax credit |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Decrease in valuation allowance | 4,100 |  |
Foreign |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Net operating loss carryforwards with unlimited carryforward period | 9,499 |  |
Net operating loss carryforwards expiring in 2035 | 5,100 |  |
State |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Net operating loss carryforwards | $ 4,602 |  |

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates. + 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 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=84176650&loc=d3e32059-109318 Reference 3: 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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