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Pension and Other Post-Retirement Benefits | 6 Months Ended
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Jun. 30, 2016
Pension and Other Post-Retirement Benefits | Note 9. Pension and Other Post-Retirement Benefits The following tables set forth certain disclosures for the Company’s pension and post-retirement plans for the periods indicated:
|  | For the Three Months Ended June 30, |
|  | 2016 |  |  | 2015 |
(in thousands) |  | Pension Benefits |  |  | Post-Retirement Benefits |  |  | Pension Benefits |  |  | Post-Retirement Benefits |
Components of net periodic (credit) expense: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest cost |  | $ | 1,470 |  |  | $ | 160 |  |  | $ | 1,516 |  |  | $ | 175 |
Service cost |  |  | — |  |  |  | 1 |  |  |  | — |  |  |  | 1 |
Expected return on plan assets |  |  | (3,906 | ) |  |  | — |  |  |  | (4,390 | ) |  |  | — |
Amortization of prior-service costs |  |  | — |  |  |  | (62 | ) |  |  | — |  |  |  | (62 | )
Amortization of net actuarial loss |  |  | 2,262 |  |  |  | 81 |  |  |  | 2,052 |  |  |  | 96 |
Net periodic (credit) expense |  | $ | (174 | ) |  | $ | 180 |  |  | $ | (822 | ) |  | $ | 210 |
|  | For the Six Months Ended June 30, |
|  | 2016 |  |  | 2015 |
(in thousands) |  | Pension Benefits |  |  | Post-Retirement Benefits |  |  | Pension Benefits |  |  | Post-Retirement Benefits |
Components of net periodic (credit) expense: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest cost |  | $ | 2,940 |  |  | $ | 320 |  |  | $ | 3,032 |  |  | $ | 350 |
Service cost |  |  | — |  |  |  | 2 |  |  |  | — |  |  |  | 2 |
Expected return on plan assets |  |  | (7,812 | ) |  |  | — |  |  |  | (8,780 | ) |  |  | — |
Amortization of prior-service costs |  |  | — |  |  |  | (124 | ) |  |  | — |  |  |  | (124 | )
Amortization of net actuarial loss |  |  | 4,524 |  |  |  | 162 |  |  |  | 4,104 |  |  |  | 192 |
Net periodic (credit) expense |  | $ | (348 | ) |  | $ | 360 |  |  | $ | (1,644 | ) |  | $ | 420 |
The Company expects to contribute $1.3 million to its post-retirement plan to pay premiums and claims for the fiscal year ending December 31, 2016. The Company does not expect to make any contributions to its pension plan in 2016.

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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 -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
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