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EMPLOYEE RELATED LIABILITIES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Postretirement Medical Plan [Member] |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Schedule of Net Periodic Benefit Cost |
|  | Year ended December 31, 2014 |  |  | Year ended December 31, 2013 |  |  | Year ended December 31, 2012 |
Net periodic benefit cost |  |  |  |  |  |  |  |  |
Service cost |  | $ | 24 |  |  | $ | 32 |  |  | $ | 146 |
Interest cost |  |  | 118 |  |  |  | 126 |  |  |  | 399 |
Expected return on the plan's assets |  |  | -- |  |  |  | -- |  |  |  | -- |
Amortization of transition obligation (asset) |  |  | -- |  |  |  | -- |  |  |  | -- |
Amortization of prior service costs |  |  | (1,737) |  |  |  | (1,703 | ) |  |  | (244 | )
Amortization of net (gain) or loss |  |  | (227) |  |  |  | (132 | ) |  |  | -- |
Total net periodic benefit cost |  | $ | (1,822) |  |  | $ | (1,677 | ) |  | $ | 301 |
Schedule of Amounts Recognized in Other Comprehensive Income |
Other changes in plan assets and benefits obligations recognized in other comprehensive income: |
Prior service cost for the period | $ | -- |  | $ | (91 | ) |  | $ | (3,851 | )
Net (gain) or loss for the period |  | 558 |  |  | (668 | ) |  |  | (1,355 | )
Amortization of transition obligation (asset) |  | -- |  |  | -- |  |  |  | -- |
Amortization of prior service costs |  | 1,737 |  |  | 1,703 |  |  |  | 244 |
Amortization of net gain or (loss) |  | 227 |  |  | 132 |  |  |  | -- |
Total recognized in other comprehensive income (expense) | $ | 2,522 |  | $ | 1,076 |  |  | $ | (4,962 | )
Total recognized in net periodic benefit cost and other comprehensive income | $ | 700 |  | $ | (601 | ) |  | $ | (4,661 | )
Schedule of Impact of One-Percentage-Point Change in Assumed Health Care Cost |
|  |  | Increase |  |  | Decrease |
| Effect on service cost and interest cost |  | $ | 10 |  |  | $ | (8) |
| Effect on postretirement benefit obligation |  | $ | 254 |  |  | $ | (198) |
Schedule of changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status |
|  | Year ended December 31, 2014 |  |  | Year ended December 31, 2013 |  |  | Year ended December 31, 2012 |
Change in benefit obligation: |  |  |  |  |  |  |  |  |
Benefit obligation at beginning of period |  | $ | 2,317 |  |  | $ | 2,995 |  |  | $ | 7,749 |
Service cost |  |  | 24 |  |  |  | 32 |  |  |  | 146 |
Interest cost |  |  | 118 |  |  |  | 126 |  |  |  | 399 |
Benefits paid |  |  | (40) |  |  |  | (77 | ) |  |  | (93 | )
Change in plan provisions |  |  | - |  |  |  | (91 | ) |  |  | (3,851 | )
Actuarial gain |  |  | 558 |  |  |  | (668 | ) |  |  | (1,355 | )
Benefit obligation end of period |  | $ | 2,977 |  |  | $ | 2,317 |  |  | $ | 2,995 |
Change in plan assets: |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of period |  | $ | -- |  |  | $ | -- |  |  | $ | -- |
Actual return on plan assets |  |  | -- |  |  |  | -- |  |  |  | -- |
Employer contribution |  |  | 40 |  |  |  | 77 |  |  |  | 93 |
Benefits paid |  |  | (40) |  |  |  | (77 | ) |  |  | (93 | )
Fair value of plan assets at end of period |  | $ | -- |  |  | $ | -- |  |  | $ | -- |
Funded status |  | $ | (2,977) |  |  | $ | (2,317 | ) |  | $ | (2,995 | )
Schedule of Amounts Recognized in Statement of Financial Position |
|  | As of December 31, 2014 |  |  | As of December 31, 2013 |  |  | As of December 31, 2012 |
Amounts recognized in statement of financial position: |
Non-current assets |  | $ | -- |  |  | $ | -- |  |  | $ | -- |
Current liabilities |  |  | (83) |  |  |  | (89 | ) |  |  | (132 | )
Non-current liabilities |  |  | (2,894) |  |  |  | (2,228 | ) |  |  | (2,863 | )
Net amount recognized |  | $ | (2,977) |  |  | $ | (2,317 | ) |  | $ | (2,995 | )
Weighted average assumptions used: |
Discount rate |  |  | 4.30 | % |  |  | 5.20 | % |  |  | 4.30 | %
Rate of compensation increases |  |  | N/A |  |  |  | N/A |  |  |  | N/A |
Assumed health care cost trend rates: |
Health care cost trend rate assumed for next year (Pre 65/ Post 65) |  |  | 7.00/20.00 | % |  |  | 7.75/25.00 | % |  |  | 8.25/35.00 | %
Ultimate rate (Pre 65/ Post 65) |  |  | 4.50/5.00 | % |  |  | 5.00/5.00 | % |  |  | 5.00/5.00 | %
Year the ultimate rate is reached (Pre 65/ Post 65) |  |  | 2025/2022 |  |  |  | 2022/2022 |  |  |  | 2022/2022 |
Schedule of Future Benefit Payments |
Fiscal Year |  |  | Other Benefits
2015 |  |  | $ | 83 |
2016 |  |  |  | 76 |
2017 |  |  |  | 96 |
2018 |  |  |  | 114 |
2019 |  |  |  | 125 |
2020 - 2024 |  |  | $ | 699 |
Schedule of Weighted Average Assumptions Used |
Weighted average assumptions used: |
Discount rate |  |  | 5.20 | % |  |  | 4.30 | % |  |  | 5.20 | %
Expected return on plan assets |  |  | N/A |  |  |  | N/A |  |  |  | N/A |
Rate of compensation increases |  |  | N/A |  |  |  | N/A |  |  |  | N/A |
Schedule of Health Care Cost Trend Rates |
Assumed health care cost trend rates:
Health care cost trend rate assumed for current year (Pre-65/Post-65) |  |  | 7.75/25.00 | % |  |  | 8.25/35.00 | % |  |  | 8.25/35.00 | %
Ultimate rate (Pre-65/Post-65) |  |  | 5.00/5.00 | % |  |  | 5.00/5.00 | % |  |  | 5.00/5.00 | %
Year the ultimate rate is reached (Pre-65/Post-65) |  |  | 2022/2022 |  |  |  | 2022/2022 |  |  |  | 2022/2022 |
Measurement date |  | December 31, 2014 |  |  | December 31, 2013 |  |  | December 31, 2012
Pension Plan [Member] |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Schedule of Net Periodic Benefit Cost |
|  | Year ended December 31, 2014 |  |  | Year ended December 31, 2013 |  |  | Year ended December 31, 2012 |
Net periodic benefit cost |  |  |  |  |  |  |  |  |
Service cost |  | $ | -- |  |  | $ | -- |  |  | $ | -- |
Interest cost |  |  | 796 |  |  |  | 732 |  |  |  | 761 |
Expected return on plan assets |  |  | (1,257) |  |  |  | (948 | ) |  |  | (817 | )
Amortization of transition obligation(asset) |  |  | -- |  |  |  | -- |  |  |  | -- |
Amortization of prior service costs |  |  | 3 |  |  |  | -- |  |  |  | -- |
Amortization of net (gain) or loss |  |  | -- |  |  |  | 97 |  |  |  | 70 |
Total net periodic benefit cost |  | $ | (458) |  |  | $ | (119 | ) |  | $ | 14 |
Schedule of Amounts Recognized in Other Comprehensive Income |
Other changes in plan assets and benefits obligations recognized in other comprehensive income |  |  |  |  |  |  |  |  |  |  |  |
Prior service cost for the period |  | $ | -- |  |  | $ | 93 |  |  | $ | -- |
Net (gain) or loss for the period |  |  | 3,117 |  |  |  | (4,696 | ) |  |  | 1,000 |
Amortization of transition obligation (asset) |  |  | -- |  |  |  | -- |  |  |  | -- |
Amortization of prior service costs |  |  | (3) |  |  |  | -- |  |  |  | -- |
Amortization of net gain or (loss) |  |  | -- |  |  |  | (97 | ) |  |  | (70 | )
Total recognized in other comprehensive income (expense) |  | $ | 3,114 |  |  | $ | (4,700 | ) |  | $ | 930 |
Total recognized in net periodic benefit cost and other comprehensive income (expense) |  | $ | 2,656 |  |  | $ | (4,819 | ) |  | $ | 944 |
Schedule of Estimated Amounts in Accumulated Other Comprehensive Income to be Recognized over the Next Fiscal Year |
|  | Year ended December 31, 2014 |  |  | Year ended December 31, 2013 |  |  | Year ended December 31, 2012 |
Estimated amounts that will be amortized from accumulated other comprehensive income in the next fiscal year ending : |
Transition obligation (asset) |  | $ | -- |  |  | $ | -- |  |  | $ | -- |
Prior service cost |  |  | 3 |  |  |  | 3 |  |  |  | -- |
Net actuarial (gain) or loss |  | $ | 31 |  |  | $ | -- |  |  | $ | 97 |
Schedule of changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status |
|  | Year ended December 31, 2014 |  |  | Year ended December 31, 2013 |  |  | Year ended December 31, 2012 |
Change in benefit obligation: |  |  |  |  |  |  |  |  |
Benefit obligation at beginning of period |  | $ | 15,873 |  |  | $ | 17,272 |  |  | $ | 15,134 |
Service cost |  |  | -- |  |  |  | -- |  |  |  | -- |
Interest cost |  |  | 796 |  |  |  | 732 |  |  |  | 761 |
Benefits paid |  |  | (532) |  |  |  | (437 | ) |  |  | (293 | )
Change in plan provisions |  |  | -- |  |  |  | 93 |  |  |  | -- |
Actuarial loss (gain) |  |  | 3,167 |  |  |  | (1,787 | ) |  |  | 1,670 |
Benefit obligation end of period |  | $ | 19,304 |  |  | $ | 15,873 |  |  | $ | 17,272 |
Change in plan assets |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of period |  | $ | 16,652 |  |  | $ | 12,543 |  |  | $ | 10,842 |
Actual return on plan assets |  |  | 1,307 |  |  |  | 3,857 |  |  |  | 1,488 |
Employer contribution |  |  | 709 |  |  |  | 689 |  |  |  | 506 |
Benefits paid |  |  | (532) |  |  |  | (437 | ) |  |  | (293 | )
Fair value of plan assets at end of period |  | $ | 18,134 |  |  | $ | 16,652 |  |  | $ | 12,543 |
Funded status |  | $ | (1,170) |  |  | $ | 779 |  |  | $ | (4,729 | )
Accumulated benefit obligation |  | $ | 19,304 |  |  | $ | 15,873 |  |  | $ | 17,272 |
Schedule of Amounts Recognized in Statement of Financial Position |
Amounts recognized in statement of financial position
Non-current assets |  | $ | -- |  |  | $ | 779 |  |  | $ | --
Current liabilities |  |  | -- |  |  |  | -- |  |  |  | --
Non-current liabilities |  |  | (1,170) |  |  |  | -- |  |  |  | (4,729)
Net amount recognized |  | $ | (1,170) |  |  | $ | 779 |  |  | $ | (4,729)
Weighted average assumptions used
Discount rate |  |  | 4.20 | % |  |  | 5.10 | % |  |  | 4.30%
Rate of compensation increases |  |  | N/A |  |  |  | N/A |  |  |  | N/A
Schedule of Future Benefit Payments |
Fiscal Year |  |  | Other Benefits
2015 |  |  | $ | 600 |
2016 |  |  |  | 670 |
2017 |  |  |  | 743 |
2018 |  |  |  | 809 |
2019 |  |  |  | 864 |
2020 - 2024 |  |  | $ | 5,150 |
Schedule of Weighted Average Assumptions Used |
Weighted average assumptions used: |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 5.10 | % |  |  | 4.30 | % |  |  | 5.10 | %
Expected return on plan assets |  |  | 7.50 | % |  |  | 7.50 | % |  |  | 7.50 | %
Rate of compensation increases |  |  | N/A |  |  |  | N/A |  |  |  | N/A |
Schedule of Weighted Average Asset Allocations |
Asset Category: |  | December 31, 2014 |  |  | Target allocation 2015 |
Equity securities |  |  | 60 | % |  |  | 60 | %
Debt securities |  |  | 40 | % |  |  | 40 | %
Total |  |  | 100 | % |  |  | 100 | %
Schedule of Assets Measured at Fair Value on a Recurring Basis | The Plan's assets measured at fair value on a recurring basis consisted of the following as of as of December 31, 2014:
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Investments in Mutual Funds |  | $ | -- |  |  | $ | 18,134 |  |  | $ | -- |
Total plan assets at fair value |  | $ | -- |  |  | $ | 18,134 |  |  | $ | -- |
The Plan's assets measured at fair value on a recurring basis consisted of the following as of as of December 31, 2013:
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Investments in Mutual Funds |  | $ | -- |  |  | $ | 16,652 |  |  | $ | -- |
Total plan assets at fair value |  | $ | -- |  |  | $ | 16,652 |  |  | $ | -- |

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- Definition Tabular disclosure of the change in the benefit obligation, fair value of plan assets, and funded status of pension plans or other employee benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(b)(c) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the amounts related to pension plans and/or other employee benefit plans in accumulated other comprehensive income (loss) expected to be recognized as components of net periodic benefit cost over the next fiscal year, including the net gain (loss), net prior service cost or credit, and net transition asset or obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (s) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35743120&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=35743120&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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