Quarterly report pursuant to Section 13 or 15(d)

EMPLOYEE BENEFIT PLANS

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EMPLOYEE BENEFIT PLANS
 9 Months Ended
Sep. 30, 2017
Compensation and Retirement Disclosure [Abstract]  
EMPLOYEE BENEFIT PLANS

NOTE 5 - EMPLOYEE BENEFIT PLANS

The Company has a defined benefit pension plan covering substantially all full-time and eligible part-time associates and a Supplemental Executive Retirement Plan (“SERP”) covering its executive officers.

The components of the net periodic benefit cost for the Company's qualified benefit pension plan were as follows:

Three Months Ended September 30, Nine Months Ended September 30,
(Dollars in Thousands) 2017 2016 2017 2016
Service Cost $ 1,688 $ 1,613 $ 5,064 $ 4,839
Interest Cost 1,437 1,397 4,312 4,191
Expected Return on Plan Assets (2,006) (1,934) (6,019) (5,802)
Prior Service Cost Amortization 56 69 167 207
Net Loss Amortization 953 801 2,859 2,403
Net Periodic Benefit Cost $ 2,128 $ 1,946 $ 6,383 $ 5,838
Discount Rate 4.21% 4.52% 4.21% 4.52%
Long-term Rate of Return on Assets 7.25% 7.50% 7.25% 7.50%

The components of the net periodic benefit cost for the Company's SERP were as follows:
Three Months Ended September 30, Nine Months Ended September 30,
(Dollars in Thousands) 2017 2016 2017 2016
Interest Cost $ 48 $ 40 $ 143 $ 120
Net Loss Amortization 149 190 448 570
Net Periodic Benefit Cost $ 197 $ 230 $ 591 $ 690
Discount Rate 3.92% 4.13% 3.92% 4.13%