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EMPLOYEE RETIREMENT PLANS (Details 6) - USD ($) $ in Thousands		Dec. 31, 2017	Dec. 31, 2016
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		$ 38,369	$ 32,278
Other assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	[1]	93	90
Exchange traded funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		5,546	3,742
Pooled fixed income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		6,895	4,345
U.S. government securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		381	1,061
Cash and cash equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		2,444	2,519
Subtotal [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		38,276	32,188
Corporate obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		5,867	5,113
State and municipal obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		1,313	1,538
Common Stocks [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		15,483	13,626
Preferred Stocks [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		347	244
Fair Value, Inputs, Level 1 [Member] | Exchange traded funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		5,546	3,742
Fair Value, Inputs, Level 1 [Member] | Pooled fixed income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		6,895	4,345
Fair Value, Inputs, Level 1 [Member] | U.S. government securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		0	0
Fair Value, Inputs, Level 1 [Member] | Cash and cash equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		2,444	2,519
Fair Value, Inputs, Level 1 [Member] | Subtotal [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		29,030	23,489
Fair Value, Inputs, Level 1 [Member] | Corporate obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		0	0
Fair Value, Inputs, Level 1 [Member] | State and municipal obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		0	0
Fair Value, Inputs, Level 1 [Member] | Common Stocks [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		13,855	12,656
Fair Value, Inputs, Level 1 [Member] | Preferred Stocks [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		290	227
Fair Value, Inputs, Level 2 [Member] | Exchange traded funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		0	0
Fair Value, Inputs, Level 2 [Member] | Pooled fixed income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		0	0
Fair Value, Inputs, Level 2 [Member] | U.S. government securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		381	1,061
Fair Value, Inputs, Level 2 [Member] | Cash and cash equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		0	0
Fair Value, Inputs, Level 2 [Member] | Subtotal [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		9,246	8,699
Fair Value, Inputs, Level 2 [Member] | Corporate obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		5,867	5,113
Fair Value, Inputs, Level 2 [Member] | State and municipal obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		1,313	1,538
Fair Value, Inputs, Level 2 [Member] | Common Stocks [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		1,628	970
Fair Value, Inputs, Level 2 [Member] | Preferred Stocks [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		57	17
Fair Value, Inputs, Level 3 [Member] | Exchange traded funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		0	0
Fair Value, Inputs, Level 3 [Member] | Pooled fixed income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		0	0
Fair Value, Inputs, Level 3 [Member] | U.S. government securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		0	0
Fair Value, Inputs, Level 3 [Member] | Cash and cash equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		0	0
Fair Value, Inputs, Level 3 [Member] | Subtotal [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		0	0
Fair Value, Inputs, Level 3 [Member] | Corporate obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		0	0
Fair Value, Inputs, Level 3 [Member] | State and municipal obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		0	0
Fair Value, Inputs, Level 3 [Member] | Common Stocks [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		0	0
Fair Value, Inputs, Level 3 [Member] | Preferred Stocks [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total		$ 0	$ 0
[1] This category represents trust receivables that are not leveled.

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No definition available.

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Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees.

+ 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)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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