Accumulated Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2016

Equity [Abstract]

Components of Accumulated Other Comprehensive Income (Loss)

The table below provides the components of accumulated other comprehensive income (loss):

	Year Ended December 31, 2016
(Dollars in thousands)	Total Post- Retirement Benefits Adjustments			Foreign Currency Translation Adjustments			Non-controlling Interest in Principal Equityholders		Total
Balance, beginning of period	$	2,305		$	(79,927	)	$	59,625	$	(17,997	)
Other comprehensive income (loss) before reclassifications	(244		)	—			—		(244		)
Other comprehensive income (loss) net of tax	$	(244	)	$	—		$	—	$	(244	)
Gross amounts reclassified within accumulated other comprehensive income (loss)	—			—			252		252
Balance, end of period	$	2,061		$	(79,927	)	$	59,877	$	(17,989	)

	Year Ended December 31, 2015
(Dollars in thousands)	Total Post- Retirement Benefits Adjustments			Foreign Currency Translation Adjustments			Non-controlling Interest in Principal Equityholders		Total
Balance, beginning of period	$	692		$	(52,148	)	$	40,546	$	(10,910	)
Other comprehensive income (loss) before reclassifications	(335		)	(27,779		)	—		(28,114		)
Gross amounts reclassified from accumulated other comprehensive loss	1,488			—			—		1,488
Foreign currency translation	518			—			—		518
Income tax (expense) benefit	(58		)	—			—		(58		)
Other comprehensive income (loss) net of tax	$	1,613		$	(27,779	)	$	—	$	(26,166	)
Gross amounts reclassified within accumulated other comprehensive income (loss)	—			—			19,079		19,079
Balance, end of period	$	2,305		$	(79,927	)	$	59,625	$	(17,997	)

	Year Ended December 31, 2014
(Dollars in thousands)	Total Post- Retirement Benefits Adjustments			Foreign Currency Translation Adjustments			Non-controlling Interest in Principal Equityholders		Total
Balance, beginning of period	$	3,987		$	(16,727	)	$	12,288	$	(452	)
Other comprehensive income (loss) before reclassifications	(6,303		)	(35,421		)	—		(41,724		)
Gross amounts reclassified from accumulated other comprehensive income	43			—			—		43
Net settlement loss	609			—			—		609
Foreign currency translation	(55		)	—			—		(55		)
Income tax (expense) benefit	2,411			—			—		2,411
Other comprehensive income (loss) net of tax	$	(3,295	)	$	(35,421	)	$	—	$	(38,716	)
Gross amounts reclassified within accumulated other comprehensive income (loss)	—			—			28,258		28,258
Balance, end of period	$	692		$	(52,148	)	$	40,546	$	(10,910	)