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Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Employee Benefit Plans [Abstract] |
Information pertaining to activity in the plan | The Company's defined benefit pension plan covers substantially all employees. The plan benefit formula is based upon the length of service of retired employees and a percentage of qualified W-2 compensation during their final years of employment. This resulted in a reduction in prior cost. Information pertaining to activity in the plan is as follows:
|  | December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Change in benefit obligation |  |  |  |  |  |  |  |  |
Projected benefit obligation at beginning of year |  | $ | 15,808 |  |  | $ | 12,971 |  |  | $ | 11,598 |
Service cost |  |  | 468 |  |  |  | 435 |  |  |  | 400 |
Interest cost |  |  | 738 |  |  |  | 704 |  |  |  | 687 |
Actuarial loss |  |  | 1,554 |  |  |  | 2,001 |  |  |  | 958 |
Benefits paid |  |  | (514 | ) |  |  | (303 | ) |  |  | (672 | )
Projected benefit obligation at end of year |  | $ | 18,054 |  |  | $ | 15,808 |  |  | $ | 12,971 |
Change in plan assets |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year |  | $ | 13,326 |  |  | $ | 8,156 |  |  | $ | 7,461 |
Actual return on plan assets |  |  | 963 |  |  |  | 432 |  |  |  | 782 |
Employer contribution |  |  | 550 |  |  |  | 5,041 |  |  |  | 585 |
Benefits paid |  |  | (514 | ) |  |  | (303 | ) |  |  | (672 | )
Fair value of plan assets at end of year |  | $ | 14,325 |  |  | $ | 13,326 |  |  | $ | 8,156 |
Funded status at the end of the year |  | $ | (3,729 | ) |  | $ | (2,482 | ) |  | $ | (4,815 | )
Amounts recognized in the Balance Sheet |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax asset |  | $ | 1,305 |  |  | $ | 869 |  |  | $ | 1,685 |
Other liabilities |  |  | (3,729 | ) |  |  | (2,482 | ) |  |  | (4,815 | )
Total amounts recognized in the Balance Sheet |  | $ | (2,424 | ) |  | $ | (1,613 | ) |  | $ | (3,130 | )
Amounts recognized in accumulated other comprehensive (loss), net |  |  |  |  |  |  |  |  |  |  |  |
Net (loss) |  | $ | (8,202 | ) |  | $ | (7,044 | ) |  | $ | (4,957 | )
Prior service cost |  |  | 879 |  |  |  | 979 |  |  |  | 1,080 |
Deferred tax asset |  |  | 2,563 |  |  |  | 2,123 |  |  |  | 1,357 |
Amount recognized |  | $ | (4,760 | ) |  | $ | (3,942 | ) |  | $ | (2,520 | )
Accrued/Prepaid benefit Cost, net |  |  |  |  |  |  |  |  |
Benefit obligation |  | $ | (18,054 | ) |  | $ | (15,808 | ) |  | $ | (12,971 | )
Fair value of assets |  |  | 14,325 |  |  |  | 13,326 |  |  |  | 8,156 |
Unrecognized net actuarial loss |  |  | 8,202 |  |  |  | 7,044 |  |  |  | 4,957 |
Unrecognized prior service cost |  |  | (879 | ) |  |  | (979 | ) |  |  | (1,080 | )
Deferred tax asset (liability) |  |  | (1,258 | ) |  |  | (1,254 | ) |  |  | 328 |
(Accrued)/Prepaid benefit cost included in other liabilities |  | $ | 2,336 |  |  | $ | 2,329 |  |  | $ | (610 | )
Components of net periodic benefit cost |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 468 |  |  | $ | 435 |  |  | $ | 400 |
Interest cost |  |  | 738 |  |  |  | 704 |  |  |  | 687 |
Expected return on plan assets |  |  | (1,075 | ) |  |  | (810 | ) |  |  | (607 | )
Amortization of prior service cost |  |  | (101 | ) |  |  | (101 | ) |  |  | (101 | )
Amortization of net obligation at transition |  |  | --- |  |  |  | --- |  |  |  | (11 | )
Recognized net actuarial loss |  |  | 508 |  |  |  | 292 |  |  |  | 246 |
Net periodic benefit cost |  | $ | 538 |  |  | $ | 520 |  |  | $ | 614 |
Other changes in plan assets and benefit obligations recognized in other comprehensive loss |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | 1,157 |  |  | $ | 2,087 |  |  | $ | 536 |
Amortization of prior service cost |  |  | 101 |  |  |  | 101 |  |  |  | 101 |
Amortization of net obligation at transition |  |  | --- |  |  |  | --- |  |  |  | 11 |
Deferred income tax (benefit) |  |  | (440 | ) |  |  | (766 | ) |  |  | (227 | )
Total recognized |  | $ | 818 |  |  | $ | 1,422 |  |  | $ | 421 |
Total recognized in net periodic benefit cost and other comprehensive loss, net of income tax (benefit) |  | $ | 1,797 |  |  | $ | 2,708 |  |  | $ | 1,035 |
Weighted average assumptions at end of the year |  |  |  |  |  |  |  |  |  |  |  |
Discount rate used for net periodic pension cost |  |  | 4.50 | % |  |  | 5.50 | % |  |  | 6.00 | %
Discount rate used for disclosure |  |  | 3.75 | % |  |  | 4.50 | % |  |  | 5.50 | %
Expected return on plan assets |  |  | 8.00 | % |  |  | 8.00 | % |  |  | 8.00 | %
Rate of compensation increase |  |  | 3.00 | % |  |  | 3.00 | % |  |  | 4.00 | %
Fair value measurements of pension plan's assets | Fair value measurements of the pension plan's assets at December 31, 2012 follow:
|  |  | Fair Value Measurements at December 31, 2012
Asset Category |  |  | Total |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |
Cash |  | $ | 462 |  | $ | 462 |  | $ | --- |  | $ | --- |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |
U. S. companies |  |  | 6,470 |  |  | 6,470 |  |  | --- |  |  | --- |
International companies |  |  | 112 |  |  | 112 |  |  | --- |  |  | --- |
Equities mutual funds (1) |  |  | 1,411 |  |  | 1,411 |  |  | --- |  |  | --- |
U. S. government agencies and corporations |  |  | 366 |  |  | --- |  |  | 366 |  |  | --- |
State and political subdivisions |  |  | 435 |  |  | --- |  |  | 435 |  |  | --- |
Corporate bonds – investment grade (2) |  |  | 4,956 |  |  | --- |  |  | 4,956 |  |  | --- |
Corporate bonds – below investment grade (3) |  |  | 113 |  |  | --- |  |  | 113 |  |  | --- |
Total pension plan assets |  | $ | 14,325 |  | $ | 8,455 |  | $ | 5,870 |  | $ | --- |
(1) | This category comprises actively managed equity funds invested in large-cap and mid-cap U.S. companies.
(2) | This category represents investment grade bonds of U.S. issuers from diverse industries.
(3) | This category represents bonds from U.S. issuers from diverse industries that were purchased at investment grade, but which have fallen below investment grade.
|  |  | Fair Value Measurements at December 31, 2011
Asset Category |  |  | Total |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |  | Significant Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |
Cash |  | $ | 2,802 |  | $ | 2,802 |  | $ | --- |  | $ | --- |
Equity securities: |  |  |  |  |  |  |  |  |  |  |  |  |
U. S. companies |  |  | 4,793 |  |  | 4,793 |  |  | --- |  |  | --- |
International companies |  |  | 183 |  |  | 183 |  |  | --- |  |  | --- |
Equities mutual funds (1) |  |  | 1,228 |  |  | 1,228 |  |  | --- |  |  | --- |
U. S. government agencies and corporations |  |  | 510 |  |  | --- |  |  | 510 |  |  | --- |
State and political subdivisions |  |  | 418 |  |  | --- |  |  | 418 |  |  | --- |
Corporate bonds – investment grade (2) |  |  | 3,207 |  |  | --- |  |  | 3,207 |  |  | --- |
Corporate bonds – below investment grade (3) |  |  | 185 |  |  | --- |  |  | 185 |  |  | --- |
Total pension plan assets |  | $ | 13,326 |  | $ | 9,006 |  | $ | 4,320 |  | $ | --- |
(1) | This category comprises actively managed equity funds invested in large-cap and mid-cap U.S. companies.
(2) | This category represents investment grade bonds of U.S. issuers from diverse industries.
(3) | This category represents bonds from U.S. issuers from diverse industries that were purchased at investment grade, but which have fallen below investment grade.
Estimated future benefit payments which reflect expected future service | Estimated future benefit payments, which reflect expected future service, as appropriate, are as follows:
2013 |  | $ | 3,438 |
2014 |  | $ | 934 |
2015 |  | $ | 609 |
2016 |  | $ | 1,272 |
2017 |  | $ | 1,562 |
2018 - 2022 |  | $ | 3,784 |

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- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + 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 (d)(5) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 158 -Paragraph 4, 7, 16, 20, 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2417-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=21916443&loc=d3e4179-114921 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2410-114920 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2439-114920 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5, 6, 7 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + 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 (f) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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