EMPLOYEE RETIREMENT PLANS (Details 6) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	$ 32,027		$ 31,522
Other Assets [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	89	[1]	77	[1]
Exchange traded funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	3,030		2,761
Pooled Fixed Income Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	5,893		4,150
US Government Agencies Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	1,131		838
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	2,069		2,927
Subtotal [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	31,938		31,445
Corporate Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	4,762		4,636
State And Municipal Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	1,592		538
Common Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	13,027		14,809
Preferred Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	434		786
Fair Value, Inputs, Level 1 [Member] | Exchange traded funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	3,030		2,761
Fair Value, Inputs, Level 1 [Member] | Pooled Fixed Income Funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	5,893		4,150
Fair Value, Inputs, Level 1 [Member] | US Government Agencies Debt 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	2,069		2,927
Fair Value, Inputs, Level 1 [Member] | Subtotal [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	23,294		23,963
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 Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	11,888		13,339
Fair Value, Inputs, Level 1 [Member] | Preferred Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	414		786
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] | US Government Agencies Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	1,131		838
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	8,644		7,482
Fair Value, Inputs, Level 2 [Member] | Corporate Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	4,762		4,636
Fair Value, Inputs, Level 2 [Member] | State And Municipal Obligations [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	1,592		538
Fair Value, Inputs, Level 2 [Member] | Common Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	1,139		1,470
Fair Value, Inputs, Level 2 [Member] | Preferred Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	20		0
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] | US Government Agencies Debt 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 Stock [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Pension Plan Assets, Total	0		0
Fair Value, Inputs, Level 3 [Member] | Preferred Stock [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.