Condensed Consolidated Statements of Comprehensive income/(Loss) - USD ($) shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Operating revenues	$ 69,633,000	$ 94,722,000	$ 150,829,000	$ 189,616,000
Operating expenses
Labor	39,725,000	57,103,000	90,381,000	117,453,000
Production and distribution	26,358,000	26,521,000	50,506,000	53,399,000
Advertising, selling, general and administrative	7,955,000	10,226,000	17,232,000	21,286,000
Depreciation, software and intangible asset amortization	1,903,000	2,663,000	4,054,000	5,610,000
Total operating expenses	75,941,000	96,513,000	162,173,000	197,748,000
Operating loss	(6,308,000)	(1,791,000)	(11,344,000)	(8,132,000)
Other (income) and expenses
Interest expense, net	183,000	1,235,000	1,112,000	2,258,000
Gain on sale			(30,954,000)	0
Other, net	827,000	1,826,000	1,969,000	3,324,000
Total other (income) and expenses	1,010,000	3,061,000	(27,873,000)	5,582,000
Income/(loss) before income taxes	(7,318,000)	(4,852,000)	16,529,000	(13,714,000)
Income tax benefit	(584,000)	(2,199,000)	(9,364,000)	(3,675,000)
Net income/(loss)	(6,734,000)	(2,653,000)	25,893,000	(10,039,000)
Less: Earnings attributable to participating securities	0	0	3,059,000	0
Less: Preferred stock dividends	124,000	0	207,000	0
Income/(loss) attributable to common stockholders	$ (6,858,000)	$ (2,653,000)	$ 22,627,000	$ (10,039,000)
Earnings/(loss) per common share
Basic (dollars per share)	$ (1.10)	$ (0.43)	$ 3.64	$ (1.62)
Diluted (dollars per share)	$ (1.10)	$ (0.43)	$ 3.62	$ (1.62)
Weighted average shares used to compute earnings/(loss) per share attributable to common shares
Basic (shares)	6,226	6,190	6,220	6,179
Diluted (shares)	6,226	6,190	6,250	6,179
Other comprehensive income/(loss), net of tax
Net Income/(loss)	$ (6,734,000)	$ (2,653,000)	$ 25,893,000	$ (10,039,000)
Adjustment to pension liability	517,000	413,000	1,035,000	751,000
Foreign currency translation adjustment	(804,000)	599,000	(959,000)	644,000
Total other comprehensive income/(loss), net of tax	(287,000)	1,012,000	76,000	1,395,000
Comprehensive income/(loss)	$ (7,021,000)	$ (1,641,000)	$ 25,969,000	$ (8,644,000)