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Pension and Other Post-Retirement Benefits (Tables) | 6 Months Ended
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Jun. 30, 2018
Pension and Post-Retirement Plans | The following table sets forth certain disclosures for the Company’s pension and post-retirement plans for the periods indicated:
|  | For the Three Months Ended June 30,
|  | 2018 |  | 2017
|  |  |  | Post- |  |  |  | Post-
|  | Pension |  | Retirement |  | Pension |  | Retirement
(in thousands) |  | Benefits |  | Benefits |  | Benefits |  | Benefits
Components of net periodic (credit) expense: (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest cost |  |  | $ | 1,271 |  |  |  | $ | 128 |  |  |  | $ | 1,404 |  |  |  | $ | 144 |
Expected return on plan assets |  |  |  | (4,035) |  |  |  |  | -- |  |  |  |  | (4,073) |  |  |  |  | -- |
Amortization of prior-service costs |  |  |  | -- |  |  |  |  | (62) |  |  |  |  | -- |  |  |  |  | (62) |
Amortization of net actuarial loss |  |  |  | 1,795 |  |  |  |  | 76 |  |  |  |  | 2,053 |  |  |  |  | 68 |
Net periodic (credit) expense |  |  | $ | (969) |  |  |  | $ | 142 |  |  |  | $ | (616) |  |  |  | $ | 150 |
(1) | Amounts are included in G&A expense on the Consolidated Statements of Income and Comprehensive Income.
|  | For the Six Months Ended June 30,
|  | 2018 |  | 2017
|  |  |  | Post- |  |  |  | Post-
|  | Pension |  | Retirement |  | Pension |  | Retirement
(in thousands) |  | Benefits |  | Benefits |  | Benefits |  | Benefits
Components of net periodic (credit) expense: (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest cost |  |  | $ | 2,543 |  |  |  | $ | 256 |  |  |  | $ | 2,808 |  |  |  | $ | 288 |
Expected return on plan assets |  |  |  | (8,071) |  |  |  |  | -- |  |  |  |  | (8,146) |  |  |  |  | -- |
Amortization of prior-service costs |  |  |  | -- |  |  |  |  | (124) |  |  |  |  | -- |  |  |  |  | (124) |
Amortization of net actuarial loss |  |  |  | 3,591 |  |  |  |  | 153 |  |  |  |  | 4,106 |  |  |  |  | 136 |
Net periodic (credit) expense |  |  | $ | (1,937) |  |  |  | $ | 285 |  |  |  | $ | (1,232) |  |  |  | $ | 300 |
(1) | Amounts are included in G&A expense on the Consolidated Statements of Income and Comprehensive Income.

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration