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Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Benefit Plans [Abstract] |
Schedule of changes in plan benefit obligation and fair value of assets |
|  | (in thousands) |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Change in Benefit Obligation |  |  |  |  |  |  |  |  |  |  |  |
Benefit obligation, beginning of year |  | $ | 5,995 |  |  | $ | 5,588 |  |  | $ | 4,747 |
Service cost |  |  | 427 |  |  |  | 359 |  |  |  | 307 |
Interest cost |  |  | 269 |  |  |  | 307 |  |  |  | 284 |
Actuarial loss |  |  | 725 |  |  |  | 871 |  |  |  | 565 |
Benefits paid |  |  | (172 | ) |  |  | (1,097 | ) |  |  | (315 | )
Gain due to settlement |  |  | — |  |  |  | (33 | ) |  |  | — |
Benefit obligation, end of year |  | $ | 7,244 |  |  | $ | 5,995 |  |  | $ | 5,588 |
Changes in Plan Assets |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets, beginning of year |  | $ | 3,454 |  |  | $ | 4,284 |  |  | $ | 3,921 |
Actual return on plan assets |  |  | 458 |  |  |  | 27 |  |  |  | 478 |
Employer contributions |  |  | 306 |  |  |  | 240 |  |  |  | 200 |
Benefits paid |  |  | (172 | ) |  |  | (1,097 | ) |  |  | (315 | )
Fair value of assets, end of year |  | $ | 4,046 |  |  | $ | 3,454 |  |  | $ | 4,284 |
Funded Status, end of year |  | $ | (3,198 | ) |  | $ | (2,541 | ) |  | $ | (1,303 | )
Amount Recognized in Other Liabilities |  | $ | (3,198 | ) |  | $ | (2,541 | ) |  | $ | (1,303 | )
Amounts recognized in accumulated other comprehensive loss, net of tax |
Amounts Recognized in Accumulated Other Comprehensive Loss, net of tax |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | 2,629 |  |  | $ | 2,173 |  |  | $ | 1,271 |
Prior service cost |  |  | — |  |  |  | 2 |  |  |  | 6 |
Deferred income tax benefit |  |  | — |  |  |  | — |  |  |  | (434 | )
Amount recognized |  | $ | 2,629 |  |  | $ | 2,175 |  |  | $ | 843 |
Weighted average assumptions used to determine benefit obligation |
Weighted Average Assumptions Used to Determine Benefit Obligation |  |  |  |  |  |  |  |  |  |  |  |
Discount rate used for disclosure |  |  | 4.00 | % |  |  | 4.50 | % |  |  | 5.50 | %
Expected return on plan assets |  |  | 8.00 | % |  |  | 8.00 | % |  |  | 8.00 | %
Rate of compensation increase |  |  | 3.00 | % |  |  | 4.00 | % |  |  | 4.00 | %
Components of net periodic benefit cost |
|  | (in thousands) |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Components of Net Periodic Benefit Cost |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 427 |  |  | $ | 359 |  |  | $ | 307 |
Interest cost |  |  | 269 |  |  |  | 307 |  |  |  | 284 |
Expected return on plan assets |  |  | (275 | ) |  |  | (342 | ) |  |  | (313 | )
Amortization of prior service cost |  |  | 2 |  |  |  | 4 |  |  |  | 3 |
Amortization of net obligation at transition |  |  | — |  |  |  | — |  |  |  | (4 | )
Recognized net loss due to settlement |  |  | — |  |  |  | 212 |  |  |  | — |
Recognized net actuarial loss |  |  | 86 |  |  |  | 38 |  |  |  | 21 |
Net periodic benefit cost |  | $ | 509 |  |  | $ | 578 |  |  | $ | 298 |
Other changes in plan assets and benefit obligations recognized in accumulated other comprehensive (income) loss |
Other Changes in Plan Assets and Benefit Obligations Recognized in Accumulated Other Comprehensive (Income) Loss |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | 456 |  |  | $ | 902 |  |  | $ | 378 |
Amortization of prior service cost |  |  | (2 | ) |  |  | (4 | ) |  |  | (3 | )
Amortization of net obligation at transition |  |  | — |  |  |  | — |  |  |  | 4 |
Total recognized in accumulated other comprehensive income (loss) |  | $ | 454 |  |  | $ | 898 |  |  | $ | 379 |
Total Recognized in Net Periodic Benefit Cost and Accumulated Other Comprehensive Income (Loss) |  | $ | 963 |  |  | $ | 1,476 |  |  | $ | 677 |
Weighted average assumptions used to determine net periodic benefit cost |
Weighted Average Assumptions Used to Determine Net Periodic Benefit Cost |  |  |  |  |  |  |  |  |  |  |  |
Discount rate |  |  | 4.50 | % |  |  | 5.50 | % |  |  | 6.00 | %
Expected return on plan assets |  |  | 8.00 | % |  |  | 8.00 | % |  |  | 8.00 | %
Rate of compensation increase |  |  | 3.00 | % |  |  | 4.00 | % |  |  | 4.00 | %
Schedule of pension plan's weighted-average asset allocations |
|  | 2012 |  |  | 2011 |
Asset Category |  |  |  |  |  |  |  |
Mutual funds - fixed income |  |  | 25 | % |  |  | 41 | %
Mutual funds - equity |  |  | 75 | % |  |  | 59 | %
Total |  |  | 100 | % |  |  | 100 | %
Schedule of fair value hierarchy, the Company's pension plan assets |
|  | Fair Value Measurements at December 31, 2012 |
|  | (in thousands) |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Fixed income funds |  | $ | 1,023 |  |  | $ | 1,023 |  |  |  | — |  |  |  | — |
Equity funds |  |  | 3,023 |  |  |  | 3,023 |  |  |  | — |  |  |  | — |
Total |  | $ | 4,046 |  |  | $ | 4,046 |  |  | $ | — |  |  | $ | — |
|  | Fair Value Measurements at December 31, 2011 |
|  | (in thousands) |
|  | Total |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Fixed income funds |  | $ | 1,409 |  |  | $ | 1,409 |  |  |  | — |  |  |  | — |
Equity funds |  |  | 2,045 |  |  |  | 2,045 |  |  |  | — |  |  |  | — |
Total |  | $ | 3,454 |  |  | $ | 3,454 |  |  | $ | — |  |  | $ | — |
Estimated future benefit payments, which reflect expected future service |
|  | (in thousands) |
2013 |  | $ | 519 |
2014 |  |  | 133 |
2015 |  |  | 350 |
2016 |  |  | 233 |
2017 |  |  | 232 |
Years 2018-2022 |  |  | 1,384 |

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- Definition Tabular disclosure of the change in the accumulated postemployment benefit obligation 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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