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Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Employee Benefit Plans [Abstract] |
Reconciliation of Change in Benefit Obligation |
Change in Benefit Obligation |  |  |  |  |  |  |  |
Benefit obligation at beginning of year |  | $ | 77,230 |  |  | $ | 68,793 |
Service cost |  |  | - |  |  |  | - |
Interest cost |  |  | 3,574 |  |  |  | 3,545 |
Actuarial loss |  |  | 7,745 |  |  |  | 7,662 |
Benefits paid |  |  | (3,033 | ) |  |  | (2,770 | )
Benefit obligation at end of year |  |  | 85,516 |  |  |  | 77,230 |
Schedule of Changes in Plan Assets |
Change in Plan Assets |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of year |  |  | 58,148 |  |  |  | 59,423 |
Actual return on plan assets |  |  | 7,619 |  |  |  | (661 | )
Employer contributions |  |  | 3,156 |  |  |  | 2,156 |
Benefits paid |  |  | (3,033 | ) |  |  | (2,770 | )
Fair value of plan assets at end of year |  |  | 65,890 |  |  |  | 58,148 |
Schedule of Funded Status |
Funded Status |  |  |  |  |  |  |  |
Funded status |  |  | (19,626 | ) |  |  | (19,082 | )
Unrecognized net actuarial loss |  |  | 47,016 |  |  |  | 43,719 |
Unrecognized prior service cost |  |  | - |  |  |  | - |
Net amount recognized |  | $ | 27,390 |  |  | $ | 24,637 |
Schedule of Weighted Average Assumptions |
Weighted Average Assumptions for the years ended December 31, |  | 2012 |  |  | 2011 |
Discount rate |  |  | 4.75 | % |  |  | 5.25 | %
Expected long-term return on plan assets |  |  | 8.00 | % |  |  | 8.00 | %
Rate of compensation increases |  |  | N/A |  |  |  | N/A |
Schedule of Components of Net Periodic Pension Cost |
Components of Net Periodic Pension Cost |  | 2012 |  |  | 2011 |
Service cost |  | $ | - |  |  | $ | - |
Interest cost |  |  | 3,574 |  |  |  | 3,545 |
Expected return on assets |  |  | (4,650 | ) |  |  | (4,738 | )
Recognized gains |  |  | 1,481 |  |  |  | 1,034 |
Prior service cost recognized |  |  | - |  |  |  | - |
Net periodic pension cost |  | $ | 405 |  |  | $ | (159 | )
Schedule of Amounts Recognized on the Balance Sheet |
Amounts Recognized on the Balance Sheet |  | 2012 |  |  | 2011 |
Accrued benefit liability |  | $ | (19,626 | ) |  | $ | (19,082 | )
Accumulated other comprehensive loss, net of tax |  |  | 29,620 |  |  |  | 27,543 |
Deferred tax asset |  |  | 17,396 |  |  |  | 16,176 |
|  | $ | 27,390 |  |  | $ | 24,637 |
Schedule of Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost |
Weighted Average Assumptions as of December 31, |  | 2012 |  |  | 2011 |
Discount rate |  |  | 4.00 | % |  |  | 4.75 | %
Rate of compensation increases |  |  | N/A |  |  |  | N/A |
Schedule of Pension Plans with an Accumulated Benefit Obligation in Excess of Plan Assets |
Information for Pension Plans with an Accumulated Benefit Obligation in excess of plan assets |  | 2012 |  |  | 2011 |
Projected benefit obligation |  | $ | 85,516 |  |  | $ | 77,230 |
Accumulated benefit obligation |  | $ | 85,516 |  |  | $ | 77,230 |
Fair value of plan assets |  | $ | 65,890 |  |  | $ | 58,148 |
Schedule of Pension Weighted Average Asset Allocations |
Pension Weighted Average Asset Allocations as of December 31, |  | 2012 |  |  | 2011 |
Debt securities |  |  | 25 | % |  |  | 27 | %
Equity securities |  |  | 69 | % |  |  | 67 | %
Real estate |  |  | 5 | % |  |  | 5 | %
Money market funds |  |  | 1 | % |  |  | 1 | %
|  |  | 100 | % |  |  | 100 | %
Schedule of Defined Benefit Plans' Assets at Fair Value |
December 31, |  | 2012 |  |  | 2011 |
Pooled separate accounts: |  |  |  |  |  |  |  |
Equity securities: |  |  |  |  |  |  |  |
U.S. small cap equity funds |  | $ | 7,637 |  |  | $ | 6,742 |
U.S. mid-cap equity funds |  |  | 18,626 |  |  |  | 16,037 |
U.S. large-cap equity funds |  |  | 5,848 |  |  |  | 5,236 |
International equity funds |  |  | 13,083 |  |  |  | 11,229 |
Domestic real estate funds |  |  | 3,640 |  |  |  | 3,136 |
Fixed income securities: |  |  |  |  |  |  |  |
Corporate bond funds |  |  | 16,510 |  |  |  | 15,459 |
Money market fund |  |  | 546 |  |  |  | 309 |
|  | $ | 65,890 |  |  | $ | 58,148 |

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- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + References No definition available. + Details
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- Definition Tabular disclosure of accumulated benefit obligations and fair values of plan assets of pension plans and/or other employee benefit plans where the accumulated benefit obligation exceeds the fair value of plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2417-114920 + Details
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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 the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized. + 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 (c) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + 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 (k) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans and/or other employee benefit plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements. + 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=21915506&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of the change in the benefit obligation of pension plans and/or other employee benefit plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits. + 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 (a) -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 the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + 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 (h) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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- Definition Tabular disclosure of net funded status of pension plans and/or other employee benefit plans. + 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 (c) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 + Details
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