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PENSION AND POSTRETIREMENT PLANS (Tables) | 6 Months Ended
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Jun. 30, 2019
PENSION AND OTHER POSTRETIREMENT PLANS. |
Schedule of components of net periodic benefit cost (credit) |
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | Pension Benefits |  | SERP Benefits |  | Pension Benefits |  | SERP Benefits
(In thousands) |  | 2019 |  | 2018 |  | 2019 |  | 2018 |  | 2019 |  | 2018 |  | 2019 |  | 2018
Components of net periodic benefit cost and other amounts recognized in other comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 272 |  | $ | 325 |  | $ | 66 |  | $ | 72 |  | $ | 545 |  | $ | 650 |  | $ | 131 |  | $ | 145
Interest cost |  |  | 225 |  |  | 198 |  |  | 36 |  |  | 31 |  |  | 450 |  |  | 395 |  |  | 73 |  |  | 63
Expected return on plan assets |  |  | (607) |  |  | (625) |  |  | — |  |  | — |  |  | (1,215) |  |  | (1,250) |  |  | — |  |  | —
Amortization of net loss |  |  | 130 |  |  | 82 |  |  | 17 |  |  | 31 |  |  | 260 |  |  | 165 |  |  | 35 |  |  | 61
Amortization of prior service credit |  |  | (19) |  |  | (19) |  |  | — |  |  | — |  |  | (38) |  |  | (38) |  |  | — |  |  | —
Amortization of transition obligation |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | — |  |  | — |  |  | — |  |  | 2
Net periodic benefit cost (credit) |  | $ | 1 |  | $ | (39) |  | $ | 119 |  | $ | 135 |  | $ | 2 |  | $ | (78) |  | $ | 239 |  | $ | 271

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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=118255775&loc=d3e1928-114920 + Details
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