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EMPLOYEE BENEFIT PLANS (Tables)

3 Months Ended

Mar. 31, 2017

Compensation and Retirement Disclosure [Abstract]

Schedule of expected benefit payments related to the defined benefit pension plan

	Three Months Ended March 31,
(Dollars in Thousands)	2017			2016
Service Cost	$	1,688		$	1,613
Interest Cost		1,437			1,397
Expected Return on Plan Assets		(2,006)			(1,934)
Prior Service Cost Amortization		56			69
Net Loss Amortization		953			801
Net Periodic Benefit Cost	$	2,128		$	1,946

Discount Rate		4.21%			4.52%
Long-term Rate of Return on Assets		7.25%			7.50%

Schedule of expected benefit payments related to the SERP

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

	Three Months Ended March 31,
(Dollars in Thousands)	2017			2016
Interest Cost	$	48		$	40
Net Loss Amortization		149			190
Net Periodic Benefit Cost	$	197		$	230

Discount Rate		3.92%			4.13%