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Pension Benefit Plan (Tables) | 3 Months Ended
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Mar. 31, 2017
Compensation And Retirement Disclosure [Abstract] |
Summarization of Components of Net Periodic Pension Cost | The following table summarizes the components of net periodic pension cost for the three months ended March 31, 2017 and 2016:
|  | Three Months Ended |
|  | March 31, |
(In thousands) |  | 2017 |  |  | 2016 |
Service cost |  | $ | 297 |  |  | $ | 297 |
Interest cost |  |  | 143 |  |  |  | 176 |
Expected return on plan assets |  |  | (299 | ) |  |  | (259 | )
Amortization of actuarial losses |  |  | 73 |  |  |  | 43 |
Net periodic pension cost |  | $ | 214 |  |  | $ | 257 |

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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=65897934&loc=d3e1928-114920 + Details
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