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PENSION AND OTHER POSTRETIREMENT PLANS (Components of Net Periodic Benefit Cost) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Net pension expense: |  |  |
Net (gain)/loss | $ (269) | $ (97) | $ 151
Pension Plans, Defined Benefit [Member] |  |  |
Net pension expense: |  |  |
Service cost | 0 | 0 | 0
Interest cost | 93 | 104 | 105
Expected return on plan assets | (138) | (143) | (139)
Recognized net actuarial loss | 193 | 185 | 135
Settlement cost | 224 | 0 | 128
Net pension expense | 372 | 146 | 229
Net (gain)/loss | (296) | (36) | 122
Amortization of net loss | (193) | (185) | (135)
Total recognized in other comprehensive income | (489) | (221) | (13)
Total recognized in net pension expense and other comprehensive income | (117) | (75) | 216
Supplemental Employee Retirement Plans, Defined Benefit [Member] |  |  |
Net pension expense: |  |  |
Service cost | 0 | 0 | 0
Interest cost | 34 | 40 | 45
Expected return on plan assets | (61) | (63) | (70)
Recognized net actuarial loss | 73 | 80 | 80
Settlement cost | 0 | 0 | 0
Net pension expense | 46 | 57 | 55
Net (gain)/loss | 27 | (61) | 29
Amortization of net loss | (73) | (80) | (80)
Total recognized in other comprehensive income | (46) | (141) | (51)
Total recognized in net pension expense and other comprehensive income | $ 0 | $ (84) | $ 4

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- Definition The net increase or decrease of changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan. + References No definition available. + Details
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2709-114920 + Details
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