Other Comprehensive Income (Loss) Net of Tax (Tables)

3 Months Ended

Mar. 31, 2019

Statement of Comprehensive Income [Abstract]

Comprehensive Income (Loss) [Table Text Block]

Other comprehensive income (loss) components, net of income tax, are shown in the following table for the three-month periods ended March 31, 2019 and 2018:

(in thousands)		Changes in pension plan assets and benefit obligations			Unrealized net holding loss on cash flow hedge			Unrealized gains and losses on AFS debt securities			Total
Beginning balance at January 1, 2019		$	(29,672	)	$	—		$	(20,116	)	$	(49,788	)
	Other comprehensive (loss) income before reclassifications	—			(206		)	14,541			14,335
Net current period other comprehensive (loss) income		—			(206		)	14,541			14,335
Ending balance at March 31, 2019		$	(29,672	)	$	(206	)	$	(5,575	)	$	(35,453	)
Beginning balance at January 1, 2018, as previously presented		$	(23,526	)	$	—		$	(2,928	)	$	(26,454	)
	Cumulative effect of change in accounting principle for marketable equity securities, net of tax	—			—			(995		)	(995		)
Beginning balance at January 1, 2018, as adjusted		(23,526		)	—			(3,923		)	(27,449		)
	Reclassification of disproportionate income tax effects	(3,175		)	—			(631		)	(3,806		)
Net current period activity
	Other comprehensive loss before reclassifications	—			—			(23,410		)	(23,410		)
	Amounts reclassified from accumulated other comprehensive loss	—			—			2,024			2,024
Net current period other comprehensive loss		$	—		$	—		$	(21,386	)	$	(21,386	)
Ending balance at March 31, 2018		$	(26,701	)	$	—		$	(25,940	)	$	(52,641	)