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PENSION AND SUPPLEMENTAL EXECUTIVE RETIREMENT PLANS (Tables) | 9 Months Ended
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Sep. 30, 2017
Pension Plan |
PENSION PLANS |
Schedule of components of net periodic benefit cost | The following table sets forth the components of net periodic benefit cost for the Pension Plan for the periods indicated:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(dollars in thousands) | 2017 |  | 2016 |  | 2017 |  | 2016
Interest cost | $ | 232 |  |  | $ | 343 |  |  | $ | 694 |  |  | $ | 1,030 |
Expected return on plan assets | (264 | ) |  | (438 | ) |  | (792 | ) |  | (1,316 | )
Amortization of net actuarial loss | 298 |  |  | 353 |  |  | 894 |  |  | 1,061 |
Net periodic cost | $ | 266 |  |  | $ | 258 |  |  | $ | 796 |  |  | $ | 775 |
SERPs |
PENSION PLANS |
Schedule of components of net periodic benefit cost | The following table sets forth the components of net periodic benefit cost for the SERPs for the periods indicated:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(dollars in thousands) | 2017 |  | 2016 |  | 2017 |  | 2016
Interest cost | $ | 107 |  |  | $ | 117 |  |  | $ | 322 |  |  | $ | 350 |
Amortization of net actuarial loss | 26 |  |  | 13 |  |  | 77 |  |  | 38 |
Amortization of net transition obligation | 4 |  |  | 4 |  |  | 13 |  |  | 12 |
Amortization of prior service cost | 5 |  |  | 4 |  |  | 13 |  |  | 14 |
Settlement | — |  |  | — |  |  | 138 |  |  | — |
Net periodic cost | $ | 142 |  |  | $ | 138 |  |  | $ | 563 |  |  | $ | 414 |

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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