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EMPLOYEE RETIREMENT PLANS (Details 6) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | $ 32,278 | $ 32,345
Other Assets [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total | [1] | 90 | 91
Exchange traded funds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 3,742 | 3,375
Pooled Fixed Income Funds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 4,345 | 5,423
US Government Agencies Debt Securities [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 1,061 | 1,103
Cash and Cash Equivalents [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 2,519 | 2,703
Subtotal [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 32,188 | 32,254
Corporate Obligations [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 5,113 | 4,503
State And Municipal Obligations [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 1,538 | 1,337
Common Stock [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 13,626 | 13,379
Preferred Stock [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 244 | 431
Fair Value, Inputs, Level 1 [Member] | Exchange traded funds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 3,742 | 3,375
Fair Value, Inputs, Level 1 [Member] | Pooled Fixed Income Funds [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 4,345 | 5,423
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 |  | 2,519 | 2,703
Fair Value, Inputs, Level 1 [Member] | Subtotal [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 23,489 | 24,262
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 |  | 12,656 | 12,352
Fair Value, Inputs, Level 1 [Member] | Preferred Stock [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 227 | 409
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 |  | 1,061 | 1,103
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 |  | 8,699 | 7,992
Fair Value, Inputs, Level 2 [Member] | Corporate Obligations [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 5,113 | 4,503
Fair Value, Inputs, Level 2 [Member] | State And Municipal Obligations [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 1,538 | 1,337
Fair Value, Inputs, Level 2 [Member] | Common Stock [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 970 | 1,027
Fair Value, Inputs, Level 2 [Member] | Preferred Stock [Member] |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Fair Value of Pension Plan Assets, Total |  | 17 | 22
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.

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