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EMPLOYEE BENEFIT PLANS
3 Months Ended
Mar. 31, 2019
Compensation and Retirement Disclosure [Abstract]  
EMPLOYEE BENEFIT PLANS

NOTE 6 - 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)20192018
Service Cost$1,529$1,721
Interest Cost1,5451,415
Expected Return on Plan Assets(2,382)(2,391)
Prior Service Cost Amortization450
Net Loss Amortization965918
Net Periodic Benefit Cost$1,661$1,713
Discount Rate Used for Benefit Cost4.43%3.71%
Long-term Rate of Return on Assets7.25%7.25%

The components of the net periodic benefit cost for the Company's SERP were as follows:
Three Months Ended March 31,
(Dollars in Thousands)20192018
Interest Cost$87$57
Net Loss Amortization190406
Net Periodic Benefit Cost$277$463
Discount Rate Used for Benefit Cost4.23%3.53%

The service cost component of net periodic benefit cost is reflected in compensation expense in the accompanying statements of income. The other components of net periodic cost are included in “other” within the noninterest expense category in the statements of income.