XML 28 R16.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Employee Benefit Plans | 9 Months Ended
--- | ---
Sep. 30, 2016
Compensation and Retirement Disclosure [Abstract] |
Employee Benefit Plans | Employee Benefit Plans The Corporation maintains a defined benefit pension plan ("Pension Plan") for certain employees, which was curtailed in 2008. Contributions to the Pension Plan are actuarially determined and funded annually, if required. The Corporation made contributions totaling $4.6 million during the first nine months of 2016. Pension Plan assets are invested in: money markets; fixed income securities, including corporate bonds, U.S. Treasury securities and common trust funds; and equity securities, including common stocks and common stock mutual funds. The net periodic benefit cost for the Corporation’s Pension Plan consisted of the following components:
| Three months ended September 30 |  | Nine months ended September 30
| 2016 |  | 2015 |  | 2016 |  | 2015
| (in thousands)
Service cost (1) | $ | 172 |  |  | $ | 145 |  |  | $ | 516 |  |  | $ | 435 |
Interest cost | 880 |  |  | 851 |  |  | 2,640 |  |  | 2,553 |
Expected return on plan assets | (580 | ) |  | (752 | ) |  | (1,739 | ) |  | (2,256 | )
Net amortization and deferral | 605 |  |  | 782 |  |  | 1,815 |  |  | 2,346 |
Net periodic benefit cost | $ | 1,077 |  |  | $ | 1,026 |  |  | $ | 3,232 |  |  | $ | 3,078 |
(1) | Service cost was related to administrative costs associated with the plan and was not due to the accrual of additional participant benefits.
The Corporation provides benefits under a postretirement benefits plan ("Postretirement Plan") to certain retirees who were employees of the Corporation prior to January 1, 1998 and retired from employment with the Corporation prior to February 1, 2014. The net periodic cost (benefit) of the Corporation’s Postretirement Plan consisted of the following components:
| Three months ended September 30 |  | Nine months ended September 30
| 2016 |  | 2015 |  | 2016 |  | 2015
| (in thousands)
Interest cost | 21 |  |  | 52 |  |  | 64 |  |  | 156 |
Expected return on plan assets | — |  |  | — |  |  | (1 | ) |  | — |
Net accretion and deferral | (138 | ) |  | (65 | ) |  | (413 | ) |  | (195 | )
Net periodic benefit | $ | (117 | ) |  | $ | (13 | ) |  | $ | (350 | ) |  | $ | (39 | )
The Corporation recognizes the funded status of its Pension Plan and Postretirement Plan on the consolidated balance sheets and recognizes the change in that funded status through other comprehensive income.

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 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 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2410-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39675-114964 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66047640&loc=d3e39622-114963 + Details
Name: | us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration