Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2017

Accumulated Other Comprehensive Income (Loss).

Schedule of changes in components of accumulated other comprehensive (income) loss

The components of accumulated other comprehensive income (loss) are as follows (dollars in thousands):

	Unrealized		Defined Benefit
	Gain (Loss) on		Postretirement
	Investments		Plans		Total
January 1, 2015	$	(64)	$	(23,883)	$	(23,947)
Other comprehensive income (loss) for 2015, net of tax		64		(5,505)		(5,441)
December 31, 2015		—		(29,388)		(29,388)
Other comprehensive loss for 2016, net of tax		—		(5,830)		(5,830)
December 31, 2016		—		(35,218)		(35,218)
Other comprehensive income for 2017, net of tax		—		19,254		19,254
December 31, 2017	$	—	$	(15,964)	$	(15,964)

Schedule of reclassifications out of accumulated other comprehensive income (loss)

Reclassifications out of accumulated other comprehensive income (loss) for the years ended December 31, 2017, 2016 and 2015 were as follows (dollars in thousands):

	For the Year Ended
	December 31,
	2017		2016		2015
Retirement plans
Amortization of gain/loss and settlement loss	$	3,781	$	2,424	$	8,862
Income tax provision on comprehensive income		1,437		921		3,368
Total	$	2,344	$	1,503	$	5,494