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EMPLOYEE BENEFIT PLANS
3 Months Ended
Mar. 31, 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 March 31,
(Dollars in Thousands)20172016
Service Cost$1,688$1,613
Interest Cost1,4371,397
Expected Return on Plan Assets(2,006)(1,934)
Prior Service Cost Amortization5669
Net Loss Amortization953801
Net Periodic Benefit Cost$2,128$1,946
Discount Rate4.21%4.52%
Long-term Rate of Return on Assets7.25%7.50%

The components of the net periodic benefit cost for the Company's SERP were as follows:
Three Months Ended March 31,
(Dollars in Thousands)20172016
Interest Cost$48$40
Net Loss Amortization149190
Net Periodic Benefit Cost$197$230
Discount Rate3.92%4.13%