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EMPLOYEE RETIREMENT PLANS (Tables) | 12 Months Ended
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Dec. 31, 2012
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of Allocation of Plan Assets [Table Text Block] | The Company’s pension plan’s weighted average asset allocation at December 31, 2012 and 2011, by asset category, was as follows:
|  | Plan Assets at December 31, |
|  | 2012 |  |  | 2011 |
Asset Category: |  |  |  |  |  |  |  |
Equity Securities |  |  | 52 | % |  |  | 42 | %
Fixed Income Securities |  |  | 40 | % |  |  | 49 | %
Other |  |  | 8 | % |  |  | 9 | %
Total |  |  | 100 | % |  |  | 100 | %
Schedule of Assumptions Used [Table Text Block] | Assumptions used in determining the funded status at December 31, 2012 and 2011 were:
|  | 2012 |  |  | 2011 |
Discount rate |  |  | 4.23 | % |  |  | 4.60 | %
Rate of compensation increase |  |  | 4.50 | % |  |  | 4.50 | %
Schedule of Reconciliation of Change in Benefit and Plan Assets of Both Defined Benefit Pension Plan and Unfunded Supplemental Pension Plan [Table Text Block] | The following is a reconciliation of the change in benefit obligation and plan assets of both the defined benefit pension plan and the unfunded supplemental pension plan for the years ended December 31, 2012 and 2011:
|  | Defined Benefit Pension Plan |  |  | Supplemental Pension Plan |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
|  | (Dollars in thousands) |
Change in projected benefit obligation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Projected benefit obligation, beginning of year |  | $ | 39,523 |  |  | $ | 34,407 |  |  | $ | 13,870 |  |  | $ | 10,754 |
Service cost |  |  | 1,236 |  |  |  | 977 |  |  |  | 236 |  |  |  | 235 |
Interest cost |  |  | 1,800 |  |  |  | 1,807 |  |  |  | 516 |  |  |  | 566 |
Plan amendments |  |  | - |  |  |  | - |  |  |  | (1,415 | ) |  |  | - |
Actuarial loss (gain) |  |  | 2,532 |  |  |  | 3,776 |  |  |  | (576 | ) |  |  | 2,494 |
Benefits paid |  |  | (1,639 | ) |  |  | (1,444 | ) |  |  | (361 | ) |  |  | (179 | )
Projected benefit obligation, end of year |  | $ | 43,452 |  |  | $ | 39,523 |  |  | $ | 12,270 |  |  | $ | 13,870 |
Change in plan assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets, beginning of year |  |  | 26,655 |  |  |  | 26,193 |  |  |  | - |  |  |  | - |
Actual return on plan assets |  |  | 2,932 |  |  |  | 400 |  |  |  | - |  |  |  | - |
Administrative expenses |  |  | (129 | ) |  |  | (94 | ) |  |  | - |  |  |  | - |
Contributions |  |  | - |  |  |  | 1,600 |  |  |  | 361 |  |  |  | 179 |
Benefits paid |  |  | (1,639 | ) |  |  | (1,444 | ) |  |  | (361 | ) |  |  | (179 | )
Fair value of plan assets, end of year |  | $ | 27,819 |  |  | $ | 26,655 |  |  | $ | - |  |  | $ | - |
Funded status of plan |  | $ | (15,633 | ) |  | $ | (12,868 | ) |  | $ | (12,270 | ) |  | $ | (13,870 | )
Amounts recognized in the consolidated balance sheets consist of: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued liabilities - other |  | $ | - |  |  | $ | - |  |  | $ | (373 | ) |  | $ | (394 | )
Long-term pension liability |  |  | (15,633 | ) |  |  | (12,868 | ) |  |  | (11,897 | ) |  |  | (13,476 | )
Net amount recognized |  | $ | (15,633 | ) |  | $ | (12,868 | ) |  | $ | (12,270 | ) |  | $ | (13,870 | )
Amounts recognized in accumulated other comprehensive loss consist of: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated loss, net of income tax benefit of $6,735, $6,575, $2,102 and $2,487, respectively |  | $ | 10,534 |  |  | $ | 10,283 |  |  | $ | 3,288 |  |  | $ | 3,891 |
Prior service cost, net of income tax benefit of $1, $1, ($402) and $106, respectively |  |  | 1 |  |  |  | 2 |  |  |  | (628 | ) |  |  | 166 |
Net amount recognized |  | $ | 10,535 |  |  | $ | 10,285 |  |  | $ | 2,660 |  |  | $ | 4,057 |
Schedule of Net Periodic Benefit Cost Assumptions [Table Text Block] | Assumptions used in determining net periodic pension cost for the years ended December 31, 2012, 2011 and 2010 were:
|  | 2012 |  |  | 2011 |  |  | 2010 |
Discount rate |  |  | 4.60 | % |  |  | 5.40 | % |  |  | 5.95 | %
Rate of compensation increase |  |  | 4.50 | % |  |  | 4.50 | % |  |  | 4.50 | %
Long-term rate of return on plan assets |  |  | 7.75 | % |  |  | 8.00 | % |  |  | 8.00 | %
Schedule of Net Benefit Costs [Table Text Block] | The components of net periodic pension cost for the years ended December 31, 2012, 2011 and 2010, were:
|  | 2012 |  |  | 2011 |  |  | 2010 |
|  | (Dollars in thousands) |
Benefits earned during the period |  | $ | 1,472 |  |  | $ | 1,212 |  |  | $ | 1,187 |
Interest cost on projected benefit obligation |  |  | 2,317 |  |  |  | 2,373 |  |  |  | 2,449 |
Expected return on plan assets |  |  | (1,994 | ) |  |  | (2,021 | ) |  |  | (1,836 | )
Net amortization and deferral |  |  | 1,612 |  |  |  | 1,272 |  |  |  | 1,448 |
Net pension expense |  | $ | 3,407 |  |  | $ | 2,836 |  |  | $ | 3,248 |
Schedule of Expected Benefit Payments [Table Text Block] | Projected benefit payments for the plans as of December 31, 2012 were estimated as follows:
|  | Defined Benefit Pension Plan |  |  | Supplemental Pension Plan |
|  | (Dollars in thousands) |
2013 |  | $ | 1,834 |  |  | $ | 373 |
2014 |  | $ | 1,905 |  |  | $ | 390 |
2015 |  | $ | 1,968 |  |  | $ | 398 |
2016 |  | $ | 2,057 |  |  | $ | 421 |
2017 |  | $ | 2,125 |  |  | $ | 427 |
2018 - 2022 |  | $ | 11,990 |  |  | $ | 2,534 |
Schedule of Asset Category Within Fair Value Hierarchy of Pension Plan Asset [Table Text Block] | The following table summarizes the fair value of the Company’s pension plan assets as of December 31, 2012 by asset category within the fair value hierarchy (for further level information, see Note 4):
|  | December 31, 2012 |
|  | Quoted Prices |  |  | Significant |  |  | Significant |  |  |  |
|  | in Active Markets |  |  | Observable Inputs |  |  | Unobservable Inputs |  |  |  |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
|  | (Dollars in thousands) |
Common stocks |  | $ | 10,169 |  |  | $ | 1,118 |  |  | $ | - |  |  | $ | 11,287 |
Preferred stocks |  |  | 1,038 |  |  |  | - |  |  |  | - |  |  |  | 1,038 |
Exchange traded funds |  |  | 3,194 |  |  |  | - |  |  |  | - |  |  |  | 3,194 |
Corporate obligations |  |  | - |  |  |  | 4,573 |  |  |  | - |  |  |  | 4,573 |
State and municipal obligations |  |  | - |  |  |  | 574 |  |  |  | - |  |  |  | 574 |
Foreign obligations |  |  | - |  |  |  | 16 |  |  |  | - |  |  |  | 16 |
Pooled fixed income funds |  |  | 3,212 |  |  |  | - |  |  |  | - |  |  |  | 3,212 |
U.S. government securities |  |  | - |  |  |  | 1,584 |  |  |  | - |  |  |  | 1,584 |
Cash and cash equivalents |  |  | 2,264 |  |  |  | - |  |  |  | - |  |  |  | 2,264 |
Subtotal |  |  | 19,877 |  |  |  | 7,865 |  |  |  | - |  |  |  | 27,742 |
Other assets (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 77 |
Total |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 27,819 |
(1) This category represents trust receivables that are not leveled. The following table summarizes the fair value of the Company’s pension plan assets as of December 31, 2011 by asset category within the fair value hierarchy (for further level information, see Note 4):
|  | December 31, 2011 |
|  | Quoted Prices |  |  | Significant |  |  | Significant |  |  |  |
|  | in Active Markets |  |  | Observable Inputs |  |  | Unobservable Inputs |  |  |  |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
|  | (Dollars in thousands) |
Common stocks |  | $ | 8,329 |  |  | $ | 582 |  |  | $ | - |  |  | $ | 8,911 |
Preferred stocks |  |  | 859 |  |  |  | - |  |  |  | - |  |  |  | 859 |
Exchange traded funds |  |  | 2,180 |  |  |  | - |  |  |  | - |  |  |  | 2,180 |
Corporate obligations |  |  | - |  |  |  | 4,747 |  |  |  | - |  |  |  | 4,747 |
State and municipal obligations |  |  | - |  |  |  | 806 |  |  |  | - |  |  |  | 806 |
Foreign obligations |  |  | - |  |  |  | 51 |  |  |  | - |  |  |  | 51 |
Pooled fixed income funds |  |  | 4,378 |  |  |  | - |  |  |  | - |  |  |  | 4,378 |
U.S. government securities |  |  | - |  |  |  | 2,288 |  |  |  | - |  |  |  | 2,288 |
Cash and cash equivalents |  |  | 2,337 |  |  |  | - |  |  |  | - |  |  |  | 2,337 |
Subtotal |  |  | 18,083 |  |  |  | 8,474 |  |  |  | - |  |  |  | 26,557 |
Other assets (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 98 |
Total |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 26,655 |
(1) This category represents trust receivables that are not leveled.

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