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Pension Plan | 9 Months Ended
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Sep. 30, 2013
Pension Plan | (10) Pension Plan The following table shows the components of net periodic pension cost for our defined benefit pension plan as of September 30, 2013 and 2012 (amounts in thousands):
|  | Three months ended September 30, |  |  | Nine months ended September 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Service cost |  | $ | 265 |  |  | $ | 286 |  |  | $ | 795 |  |  | $ | 858 |
Interest cost |  |  | 1,132 |  |  |  | 1,165 |  |  |  | 3,396 |  |  |  | 3,495 |
Expected return on assets |  |  | (1,901 | ) |  |  | (1,825 | ) |  |  | (5,702 | ) |  |  | (5,476 | )
Recognized actuarial loss |  |  | 827 |  |  |  | 1,055 |  |  |  | 2,480 |  |  |  | 3,165 |
Net periodic pension cost |  | $ | 323 |  |  | $ | 681 |  |  | $ | 969 |  |  | $ | 2,042 |
During the nine months ended September 30, 2013, there were no contributions made to our pension plan.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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