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EMPLOYEE BENEFIT PLANS (Tables) | 3 Months Ended
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Mar. 31, 2020
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs |
| Three Months Ended March 31,
(Dollars in Thousands) | 2020 |  | 2019
Service Cost | $ | 1,457 |  | $ | 1,529
Interest Cost |  | 1,411 |  |  | 1,545
Expected Return on Plan Assets |  | (2,748) |  |  | (2,382)
Prior Service Cost Amortization |  | 4 |  |  | 4
Net Loss Amortization |  | 1,011 |  |  | 965
Special Termination Charge |  | 61 |  |  | -
Net Periodic Benefit Cost | $ | 1,196 |  | $ | 1,661
Discount Rate Used for Benefit Cost |  | 3.53% |  |  | 4.43%
Long-term Rate of Return on Assets |  | 7.00% |  |  | 7.25%
Supplemental Executive Retirement Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Schedule of Net Benefit Costs |
The components of the net periodic benefit cost for the Company's SERP were as follows:
| Three Months Ended March 31,
(Dollars in Thousands) | 2020 |  | 2019
Interest Cost | $ | 72 |  | $ | 87
Net Loss Amortization |  | 247 |  |  | 190
Net Periodic Benefit Cost | $ | 319 |  | $ | 277
Discount Rate Used for Benefit Cost |  | 3.16% |  |  | 4.23%

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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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