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Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2018
Employee Benefit Plans Disclosure [Abstract] |
Schedule Of Costs Of Retirement Plans [Table Text Block] |
| Year Ended December 31,
| 2018 |  | 2017
|  | (in thousands)
Components of net periodic benefit cost: |  |  |  |  |
Interest cost |  | 502 |  |  | 524
Expected return on plan assets |  | (779) |  |  | (663)
Net amortization loss |  | 222 |  |  | 362
Recognition of net gain/loss due to settlements |  | 110 |  |  | -
Net periodic benefit cost | $ | 55 |  | $ | 223
Schedule of Changes in Projected Benefit Obligations [Table Text Block] |
|  | December 31,
|  | 2018 |  | 2017
|  | (in thousands)
Change in benefit obligation: |  |  |  |
Balance at beginning of year | $ | 21,126 | $ | 19,214
Service cost |  | 24 |  | -
Interest cost |  | 502 |  | 524
Actuarial (gain) loss |  | (1,056) |  | 26
Settlements due to transfers paid |  | (267) |  | -
Benefits paid |  | (521) |  | (514)
Currency translation adjustment |  | (1,107) |  | 1,876
Balance at end of year | $ | 18,701 | $ | 21,126
Schedule of Changes in Fair Value of Plan Assets [Table Text Block] |
|  | December 31,
|  | 2018 |  | 2017
|  | (in thousands)
Change in fair value of plan assets: |  |  |  |
Balance at beginning of year | $ | 19,972 | $ | 16,252
Actual return on plan assets |  | (1,058) |  | 1,871
Employer contributions |  | 741 |  | 689
Settlement due to transfers paid |  | (263) |  | -
Benefits paid |  | (521) |  | (514)
Currency translation adjustment |  | (1,052) |  | 1,674
Balance at end of year | $ | 17,819 | $ | 19,972
Schedule of Net Funded Status [Table Text Block] |
|  | December 31,
|  | 2018 |  | 2017
|  | (in thousands)
Change in benefit obligation: |  |  |  |
Funded status | $ | (882) | $ | (1,154)
Unrecognized net loss |  | N/A |  | N/A
Net amount recognized | $ | (882) | $ | (1,154)
Schedule of Amounts Recognized in Balance Sheet [Table Text Block] |
|  | December 31, |  |  |
|  | 2018 |  | 2017 |  |  |
|  | (in thousands) |  |  |
Deferred income tax assets | $ | 150 | $ | 196 |  |  |
Other long term liabilities |  | (882) |  | (1,154) |  |  |
Net amount recognized | $ | (732) | $ | (958) |  |  |
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] |
|  | December 31, |  |  |
|  | 2018 |  | 2017 |  |  |
|  | (in thousands) |  |  |
Underfunded status of pension plans | $ | (732) | $ | (958) |  |  |
Net amount recognized | $ | (732) | $ | (958) |  |  |
Schedule of Assumptions Used [Table Text Block] |
|  | Year Ended December 31, |
|  | 2018 |  | 2017 |
Discount rate |  | 2.65% |  | 2.43% |
Expected return on assets |  | 4.68% |  | 3.86% |
Schedule of Allocation of Plan Assets [Table Text Block] |
|  | December 31,
|  | 2018 |  | 2017
|  | (in thousands)
Asset category: |  |  |  |  |  |  |  |
Equity securities | $ | 9,134 |  | 51% | $ | 10,774 |  | 54%
Debt securities |  | 3,274 |  | 18% |  | 3,204 |  | 16%
Liability driven investment funds |  | 4,341 |  | 24% |  | 4,685 |  | 23%
Cash and cash equivalents |  | 618 |  | 4% |  | 856 |  | 4%
Other |  | 452 |  | 3% |  | 453 |  | 3%
Total | $ | 17,819 |  | 100% | $ | 19,972 |  | 100%
|  | December 31,
|  | 2018 |  | 2017
|  | (in thousands)
Quoted Prices in Active Markets for Identical Assets (Level 1) | $ | 618 | $ | 856
Significant Other Observable Inputs (Level 2) |  | 17,201 |  | 19,116
Significant Other Unobservable Inputs (Level 3) |  | - |  | -
Total | $ | 17,819 | $ | 19,972

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- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans and/or other employee benefit plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the change in the benefit obligation of pension plans and/or other employee benefit plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
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