PENSION AND OTHER POSTRETIREMENT PLANS (Additional Information) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plans Target Allocation Percentage	60.00%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets	8.70%
Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plans Target Allocation Percentage	40.00%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets	3.00%
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Accumulated Benefit Obligation	$ 2,100,000	$ 2,900,000
Assets for Plan Benefits, Defined Benefit Plan	$ 2,148,000	$ 2,353,000
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets	6.50%	6.50%	7.00%
Defined Benefit Plan, Expected Amortization, Next Fiscal Year	$ 132,000
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year	0
Pension Plans, Defined Benefit [Member] | Accrued Interest and Dividend Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Assets for Plan Benefits, Defined Benefit Plan	$ 3,000	$ 3,000
Pension Plans, Defined Benefit [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets	8.69%
Pension Plans, Defined Benefit [Member] | Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets	3.00%
Supplemental Employee Retirement Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Accumulated Benefit Obligation	$ 900,000	1,100,000
Assets for Plan Benefits, Defined Benefit Plan	$ 884,000	$ 1,046,000
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets	6.50%	6.50%	7.00%
Defined Benefit Plan, Expected Amortization, Next Fiscal Year	$ 73,000
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year		$ 0
Supplemental Employee Retirement Plans, Defined Benefit [Member] | Accrued Interest and Dividend Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Assets for Plan Benefits, Defined Benefit Plan	$ 1,000	$ 2,000
Supplemental Employee Retirement Plans, Defined Benefit [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets	8.69%
Supplemental Employee Retirement Plans, Defined Benefit [Member] | Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets	3.00%