Statement [Line Items] | Period [Axis] |
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2016-01-01 - 2016-12-31 |
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Notes Tables | |
Schedule of Changes in Projected Benefit Obligations [Table Text Block] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change in benefit obligation | | | | | | | | | | | | | | | | | | | | | | | | | Benefit obligation, beginning of year | | $ | 58,556 | | | $ | 64,825 | | | $ | 1,800 | | | $ | 2,389 | | | $ | 22,748 | | | $ | 26,700 | | | | | - | | | | - | | | | - | | | | - | | | | 742 | | | | 778 | | | | | 2,390 | | | | 2,430 | | | | 18 | | | | 24 | | | | 740 | | | | 589 | | | | | 427 | | | | (5,263 | ) | | | - | | | | (4 | ) | | | 3,255 | | | | (2,397 | ) | | | | (3,655 | ) | | | (3,436 | ) | | | (609 | ) | | | (609 | ) | | | (700 | ) | | | (697 | ) | Currency translation effect | | | - | | | | - | | | | - | | | | - | | | | (1,783 | ) | | | (2,225 | ) | Benefit obligation, end of year | | $ | 57,718 | | | $ | 58,556 | | | $ | 1,209 | | | $ | 1,800 | | | $ | 25,002 | | | $ | 22,748 | | |
Schedule of Changes in Fair Value of Plan Assets [Table Text Block] | | | | | | | | | | | | | | | | | Fair value of plan assets, beginning of period | | $ | 39,135 | | | $ | 41,665 | | Actual return on plan assets | | | 2,910 | | | | (806 | ) | | | | 1,134 | | | | 1,712 | | | | | (3,655 | ) | | | (3,436 | ) | Fair value of plan assets, end of period | | $ | 39,524 | | | $ | 39,135 | | | | | | | | | | | | | | (18,194 | ) | | | (19,421 | ) | Accrued benefit cost, end of period | | $ | (18,194 | ) | | $ | (19,421 | ) | |
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | 23,034 | | | $ | 23,644 | | | $ | 362 | | | $ | 544 | | | $ | 9,720 | | | $ | 6,887 | | Prior service cost/(benefit) | | | - | | | | - | | | | 57 | | | | 115 | | | | (7 | ) | | | (12 | ) | | | $ | 23,034 | | | $ | 23,644 | | | $ | 419 | | | $ | 659 | | | $ | 9,713 | | | $ | 6,875 | | |
Schedule of Net Benefit Costs [Table Text Block] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Components of net periodic benefit cost | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | - | | | $ | 742 | | | $ | 778 | | | $ | 674 | | | | | 2,390 | | | | 2,430 | | | | 3,310 | | | | 18 | | | | 24 | | | | 33 | | | | 740 | | | | 589 | | | | 884 | | Expected return on plan assets | | | (2,649 | ) | | | (2,870 | ) | | | (4,153 | ) | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | Amortization of prior service cost/(benefit) | | | - | | | | - | | | | - | | | | 57 | | | | 57 | | | | 57 | | | | (5 | ) | | | (5 | ) | | | (7 | ) | Recognized actuarial loss | | | 776 | | | | 811 | | | | 522 | | | | 182 | | | | 154 | | | | 131 | | | | 194 | | | | 330 | | | | 149 | | | | | - | | | | - | | | | 7,170 | | | | - | | | | - | | | | - | | | | - | | | | - | | | | - | | Net periodic benefit cost | | $ | 517 | | | $ | 371 | | | $ | 6,849 | | | $ | 257 | | | $ | 235 | | | $ | 221 | | | $ | 1,671 | | | $ | 1,692 | | | $ | 1,700 | | |
Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [Table Text Block] | | | | | | | | | | | | | | | | | $ | 798 | | | $ | 241 | | | $ | 340 | | Prior service cost/(benefit) | | | - | | | | 57 | | | | (5 | ) | | | $ | 798 | | | $ | 298 | | | $ | 335 | | |
Schedule of Assumptions Used [Table Text Block] | | | | | | | | | | | | | | | | | | | | 3.95 | % | | | 4.20 | % | | | | 1.55 | % | | | 1.55 | % | International Pension Plan | | | 2.80 | % | | | 3.35 | % | | | | | | | | | | Rate of compensation increase: | | | | | | | | | International Pension Plan | | | 2.65 | % | | | 2.55 | % | | | | | | | | | | | | | | | | | | | | | | | | | | | 4.20 | % | | | 3.85 | % | | | 4.80 | % | | | | 1.55 | % | | | 1.35 | % | | | 1.40 | % | International Pension Plan | | | 3.35 | % | | | 2.40 | % | | | 3.70 | % | | | | | | | | | | | | | | Expected return on plan assets: | | | | | | | | | | | | | | | | 7.00 | % | | | 7.00 | % | | | 7.25 | % | | | | | | | | | | | | | | Rate of compensation increase: | | | | | | | | | | | | | International Pension Plan | | | 2.55 | % | | | 2.20 | % | | | 2.20 | % | |
Schedule of Expected Benefit Payments [Table Text Block] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | 3,344 | | | $ | 609 | | | $ | 686 | | | | $ | 3,335 | | | $ | 609 | | | $ | 740 | | | | $ | 3,404 | | | $ | - | | | $ | 783 | | | | $ | 3,464 | | | $ | - | | | $ | 780 | | | | $ | 3,505 | | | $ | - | | | $ | 767 | | | | $ | 17,445 | | | $ | - | | | $ | 4,765 | | |
Schedule of Allocation of Plan Assets [Table Text Block] | | | | | | | Fair Value Measurements at December 31, 2016 using: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | 15,567 | | | $ | - | | | $ | 15,567 | | | $ | - | | | | | 8,647 | | | | - | | | | 8,647 | | | | - | | | | | 13,432 | | | | - | | | | 11,234 | | | | 2,198 | | | | | 1,878 | | | | - | | | | 1,878 | | | | - | | | | $ | 39,524 | | | $ | - | | | $ | 37,326 | | | $ | 2,198 | | | | | | | | Fair Value Measurements at December 31, 2015 using: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $ | 13,547 | | | $ | - | | | $ | 13,547 | | | $ | - | | | | | 7,377 | | | | - | | | | 7,377 | | | | - | | | | | 13,375 | | | | - | | | | 11,207 | | | | 2,168 | | | | | 2,962 | | | | - | | | | 2,962 | | | | - | | | | | 1,874 | | | | - | | | | 1,874 | | | | - | | | | $ | 39,135 | | | $ | - | | | $ | 36,967 | | | $ | 2,168 | | |
Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block] | | | | | | | | | | Balance at December 31, 2015 | | $ | 2,168 | | | | | 30 | | Balance at December 31, 2016 | | $ | 2,198 | | |