Segment Reporting (Reportable Segment Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Revenue	$ 47,115	$ 51,169	$ 93,704	$ 100,622
Operating Income (Loss)	22,855	(1,367)	18,927	(7,584)
Depreciation	2,333	2,535	4,719	5,008
Gain on sale of assets, net	(25,908)		(25,908)
Amortization	140	200	216	400
Asset impairments		(22)		(22)
Total Assets	154,231		154,231		$ 122,560
Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue	47,115	51,169	93,704	100,622
Operating Income (Loss)	22,855	(1,367)	18,927	(7,584)
Total Assets	154,231		154,231		122,560
Operating Segments [Member] | Publishing [Member]
Segment Reporting Information [Line Items]
Revenue	40,915	45,085	81,618	88,714
Operating Income (Loss)	22,742	(1,799)	18,702	(8,101)
Depreciation	2,263	2,498	4,580	4,934
Gain on sale of assets, net	(25,908)		(25,908)
Asset impairments		(22)		(22)
Total	(23,645)	2,476	(21,328)	4,912
Total Assets	141,938		141,938		117,289
Operating Segments [Member] | Marketing Services [Member]
Segment Reporting Information [Line Items]
Revenue	6,200	6,084	12,086	11,908
Operating Income (Loss)	113	432	225	517
Depreciation	70	37	139	74
Amortization	140	200	216	400
Total	210	$ 237	355	$ 474
Total Assets	$ 12,293		$ 12,293		$ 5,271