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EMPLOYEE BENEFIT PLANS, Noncontributory Defined Benefit Pension Plan (Details) | 12 Months Ended
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Dec. 31, 2017 USD ($) Plan | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
EMPLOYEE BENEFIT PLANS [Abstract] |  |  |
Number of plans | Plan | 2 |  |
Employer discretionary contribution to 401 (k) plan | $ 133,000 | $ 82,000 | $ 61,000
Amounts recognized in accumulated other comprehensive loss consists of [Abstract] |  |  |
Total | 83,000 | (258,000) | (114,000)
Pension Plan [Member] |  |  |
Change in benefit obligation [Roll Forward] |  |  |
Benefit obligation at beginning of year | 18,603,000 | 17,809,000 |
Service cost | 349,000 | 345,000 | 352,000
Interest cost | 671,000 | 692,000 | 424,000
Actuarial (Gain) / Loss | 1,015,000 | 439,000 |
Benefits paid | (805,000) | (682,000) |
Benefit obligation at end of year | 19,833,000 | 18,603,000 | 17,809,000
Change in plan assets [Roll Forward] |  |  |
Fair value of plan assets at beginning of year | 15,786,000 | 14,786,000 |
Actual return (loss) on plan assets | 2,011,000 | 864,000 |
Employer contributions | 3,000,000 | 818,000 | 400,000
Benefits paid | (805,000) | (682,000) |
Fair value of plan assets at end of year | 19,992,000 | 15,786,000 | 14,786,000
Funded status | 159,000 | (2,817,000) |
Amounts recognized in accumulated other comprehensive loss consists of [Abstract] |  |  |
Net loss | 4,088,000 | 4,263,000 |
Prior service cost | (127,000) | (175,000) |
Total | 3,961,000 | 4,088,000 |
Components of net periodic benefit cost [Abstract] |  |  |
Service cost | 349,000 | 345,000 | 352,000
Interest cost | 671,000 | 692,000 | 424,000
Return on plan assets | (1,094,000) | (1,034,000) | (791,000)
Net amortization and deferral | 224,000 | 219,000 | 205,000
Net periodic benefit cost | 150,000 | $ 222,000 | $ 190,000
Amounts that will be amortized from accumulated other comprehensive loss into the net periodic benefit cost in 2017, related to estimated net loss | 233,000 |  |
Amounts that will be amortized from accumulated other comprehensive loss into the net periodic benefit cost in 2017 related to prior service cost (benefit) | $ (48,000) |  |
Weighted-average assumptions used to determine benefit obligations [Abstract] |  |  |
Discount rate | 3.35% | 3.78% |
Rate of compensation increase | 3.00% | 3.00% |
Weighted-average assumptions used to determine net periodic benefit cost (income) [Abstract] |  |  |
Discount rate | 3.78% | 3.94% | 3.61%
Expected long-term return on plan assets | 7.00% | 7.00% | 7.00%
Rate of compensation increase | 3.00% | 3.00% | 3.00%

X
- Definition The net amortization and deferral expenses. The net amortization and deferral component is a portion of the benefit obligation and is unaffected by the funded status of the plan. + References No definition available. + Details
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- Definition Amount of discretionary contributions to 401 (k) plan made by an employer for employees hired after January 1, 2007. + References No definition available. + Details
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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + 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 (b)(1) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit 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 (k)(1) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit 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 (k)(2) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit 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 (k)(3) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit 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 (k)(2) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(6) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount of contribution received by defined benefit plan from employer which increases 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 (d)(5)(ii) -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 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2709-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5)(iv)(01) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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- Definition Amount included in accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position. + 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=82843861&loc=d3e1928-114920 + Details
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