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Retirement Plan (Tables) | 6 Months Ended
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Jun. 30, 2012
Retirement Plan [Abstract] |
Expected total pension and retirement expense | The expected total pension and retirement expense was as follows for the six months ended June 30, 2012 and 2011:
(In thousands) |  | 2012 |  |  | 2011 |
Cost components: |  |  |  |  |  |  |  |
Service cost-benefits earned during the period |  | $ | (126 | ) |  | $ | (120 | )
Interest cost on projected benefit obligation |  |  | (192 | ) |  |  | (158 | )
Expected return on plan assets |  |  | 222 |  |  |  | 172 |
Net amortization and deferral |  |  | (210 | ) |  |  | (94 | )
Total net periodic pension cost |  | $ | (306 | ) |  | $ | (200 | )

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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: 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 + Details
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