XML 33 R24.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Pension Benefit Plan (Tables) | 9 Months Ended
--- | ---
Sep. 30, 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 and nine months ended September 30, 2017 and 2016:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
(In thousands) |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Service cost |  | $ | 327 |  |  | $ | 305 |  |  | $ | 930 |  |  | $ | 912 |
Interest cost |  |  | 158 |  |  |  | 182 |  |  |  | 448 |  |  |  | 542 |
Expected return on plan assets |  |  | (329 | ) |  |  | (266 | ) |  |  | (935 | ) |  |  | (796 | )
Amortization of actuarial losses |  |  | 80 |  |  |  | 44 |  |  |  | 228 |  |  |  | 132 |
Net periodic pension cost |  | $ | 236 |  |  | $ | 265 |  |  | $ | 671 |  |  | $ | 790 |

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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=82843861&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration