Accumulated Other Comprehensive Income (Loss) (Notes)

3 Months Ended

Mar. 31, 2019

Accumulated Other Comprehensive Income (Loss) [Abstract]

Comprehensive Income (Loss) Note [Text Block]

ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)

The following is changes in accumulated other comprehensive income (loss) by component, net of tax, for the three months ending March 31, 2019 and 2018.

				For the Three Months Ended   March 31, 2019
Dollars in thousands	Gains and Losses on Pension Plan			Gains and Losses on Other Post-Retirement Benefits		Gains and Losses on Cash Flow Hedges			Unrealized Gains (Losses) on Available-for-Sale Securities			Total
Beginning balance	$	—		$	139	$	(314	)	$	(841	)	$	(1,016	)
Other comprehensive income (loss) before reclassification	(328		)	—		(9		)	2,465			2,128
Amounts reclassified from accumulated other comprehensive income	—			—		—			2			2
Net current period other comprehensive income (loss)	(328		)	—		(9		)	2,467			2,130
Ending balance	$	(328	)	$	139	$	(323	)	$	1,626		$	1,114

	For the Three Months Ended   March 31, 2018
Dollars in thousands	Gains and Losses on Other Post-Retirement Benefits		Gains and Losses on Cash Flow Hedges			Unrealized Gains (Losses) on Available-for-Sale Securities			Total
Beginning balance	$	398	$	(1,564	)	$	2,898		$	1,732
Other comprehensive (loss) income before reclassification	—		715			(2,779		)	(2,064		)
Amounts reclassified from accumulated other comprehensive income	—		—			(556		)	(556		)
Net current period other comprehensive (loss) income	—		715			(3,335		)	(2,620		)
Ending balance	$	398	$	(849	)	$	(437	)	$	(888	)