XML 32 R21.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Pension Plan | 9 Months Ended
--- | ---
Sep. 30, 2017
Defined Benefit Plan [Abstract] |
Pension Plan | Pension Plan Park has a noncontributory defined benefit pension plan covering substantially all of its employees. The plan provides benefits based on an employee’s years of service and compensation. There were no pension plan contributions for the three-month or nine-month periods ended September 30, 2017 and 2016. The following table shows the components of net periodic benefit income:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(In thousands) |  | 2017 |  | 2016 |  | 2017 |  | 2016
Service cost |  | $ | 1,317 |  |  | $ | 1,264 |  |  | $ | 3,951 |  |  | $ | 3,792 |
Interest cost |  | 1,271 |  |  | 1,217 |  |  | 3,813 |  |  | 3,651 |
Expected return on plan assets |  | (2,863 | ) |  | (2,737 | ) |  | (8,589 | ) |  | (8,211 | )
Amortization of prior service cost |  | — |  |  | — |  |  | — |  |  | — |
Recognized net actuarial loss |  | 144 |  |  | 193 |  |  | 432 |  |  | 579 |
Net periodic benefit income |  | $ | (131 | ) |  | $ | (63 | ) |  | $ | (393 | ) |  | $ | (189 | )

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

X
- 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
Name: | us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration