Condensed Consolidated Statements of Stockholders’ Deficit - USD ($) $ in Thousands	Common Stock	Preferred Stock	Treasury Stock	Additional Paid-in Capital	Equity-based Compensation	Foreign Currency Translation Adjustment	Unrealized Pension Actuarial Losses, net of tax	Accumulated Deficit	Total
Beginning balance at Dec. 31, 2017	$ 15	$ 1	$ (249)	$ 482,018	$ 34,085	$ (194)	$ (11,054)	$ (514,628)	$ (10,006)
Beginning balance (in shares) at Dec. 31, 2017	150,529,151	6,194,233	49,300
Increase (Decrease) in Stockholders’ Equity (Deficit)
Implementation of ASU								(1,419)	(1,419)
Net Loss								(23,994)	(23,994)
Equity-based compensation					959				959
Foreign currency translation adjustment						(268)			(268)
Net realized pension actuarial gains, net of tax							(403)		$ (403)
Preferred shares converted to common	1,986,767	(1,625,000)
Shares Repurchased (in shares)									0
Ending balance at Mar. 31, 2018	$ 15	$ 1	$ (249)	482,018	35,044	(462)	(11,457)	(540,041)	$ (35,131)
Ending balance (in shares) at Mar. 31, 2018	152,515,918	4,569,233	49,300
Beginning balance at Dec. 31, 2018	$ 15	$ 1	$ (10,342)	482,018	41,731	(6,565)	(9,301)	(678,563)	(181,006)
Beginning balance (in shares) at Dec. 31, 2018	150,142,955	4,569,233	2,549,185
Increase (Decrease) in Stockholders’ Equity (Deficit)
Implementation of ASU								683	683
Net Loss								(29,907)	(29,907)
Equity-based compensation					2,798				2,798
Foreign currency translation adjustment						3,392			3,392
Net realized pension actuarial gains, net of tax							(224)		$ (224)
Shares Repurchased (in shares)									0
Ending balance at Mar. 31, 2019	$ 15	$ 1	$ (10,342)	$ 482,018	$ 44,529	$ (3,173)	$ (9,525)	$ (707,787)	$ (204,264)
Ending balance (in shares) at Mar. 31, 2019	150,142,955	4,569,233	2,549,185