EMPLOYEE BENEFIT PLANS (Tables)

9 Months Ended

Sep. 30, 2019

Defined Benefit Pension Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs

	Three Months Ended September 30,				Nine Months Ended September 30,
(Dollars in Thousands)	2019		2018		2019		2018
Service Cost	$	1,529	$	1,721	$	4,587	$	5,163
Interest Cost		1,545		1,415		4,635		4,246
Expected Return on Plan Assets		(2,382)		(2,391)		(7,146)		(7,173)
Prior Service Cost Amortization		4		50		12		150
Net Loss Amortization		965		918		2,895		2,754
Net Periodic Benefit Cost	$	1,661	$	1,713	$	4,983	$	5,140
Discount Rate		4.43%		3.71%		4.43%		3.71%
Long-term Rate of Return on Assets		7.25%		7.25%		7.25%		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 September 30,				Nine Months Ended September 30,
(Dollars in Thousands)	2019		2018		2019		2018
Interest Cost	$	87	$	57	$	261	$	170
Net Loss Amortization		190		406		570		1,220
Net Periodic Benefit Cost	$	277	$	463	$	831	$	1,390
Discount Rate		4.23%		3.53%		4.23%		3.53%