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EMPLOYEE BENEFIT PLANS (Details 4) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Change in plan assets |  |  |
Fair value of plan assets at beginning of year | $ 16,000 |  |
Fair value of plan assets at end of year | 16,200 | $ 16,000 |
Supplemental Executive Retirement Plans [Member] |  |  |
Change in accumulated benefit obligation |  |  |
Benefit obligation at beginning of year | 14,177 | 13,290 | $ 12,537
Accumulated service cost | 423 | 395 | 742
Interest cost | 547 | 539 | 470
Actuarial loss/(gain) | 969 | 273 | (183)
Accumulated benefit obligation at end of year | 15,749 | 14,177 | 13,290
Defined Benefit Plan, Benefit Obligation, Benefits Paid | (367) | (320) | (276)
Change in plan assets |  |  |
Employer contribution | 367 | 320 | 276
Defined Benefit Plan, Plan Assets, Benefits Paid | (367) | (320) | (276)
Funded status at end of year | (15,749) | (14,177) | (13,290)
Assets | 0 | 0 | 0
Liabilities | (15,749) | (14,177) | (13,290)
Accrued benefit cost | (15,749) | (14,177) | (13,290)
Amounts recognized in accumulated other comprehensive income (“AOCI”) |  |  |
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax | 3,465 | 2,830 | 2,859
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax | 1,047 | 1,323 | 1,599
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax | 4,512 | 4,153 | 4,458
Information for plans with an accumulated benefit obligation in excess of plan assets |  |  |
Projected benefit obligation | 15,749 | 14,177 | 13,290
Accumulated benefit obligation | 15,749 | 14,177 | 13,290
Net periodic benefit cost |  |  |
Service cost | 423 | 395 | 742
Interest cost | 547 | 539 | 470
Amortization of prior service cost | 276 | 276 | 305
Recognized net actuarial loss | 334 | 303 | 317
Net periodic benefit cost | 1,580 | 1,513 | 1,834
Amounts in accumulated other comprehensive income expected to be recognized in net periodic benefit cost over next fiscal year |  |  |
Net actuarial loss | 415 | 338 | 270
Net prior service cost | $ 276 | $ 276 | $ 276
Minimum [Member] | Supplemental Executive Retirement Plans [Member] |  |  |
Amounts in accumulated other comprehensive income expected to be recognized in net periodic benefit cost over next fiscal year |  |  |
Discount rate used for benefit obligation | 2.48% | 2.49% | 2.49%
Discount rate used for net periodic benefit cost | 2.49% | 2.49% | 2.24%
Maximum [Member] | Supplemental Executive Retirement Plans [Member] |  |  |
Amounts in accumulated other comprehensive income expected to be recognized in net periodic benefit cost over next fiscal year |  |  |
Discount rate used for benefit obligation | 3.45% | 3.94% | 4.16%
Discount rate used for net periodic benefit cost | 3.94% | 4.16% | 3.84%

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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (i-k) -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669646-108580 + Details
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- Definition Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. + 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 (j) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. + 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)(4) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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