Discontinued Operations (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income from discontinued operations, net of tax		$ 0	$ 1,159	$ 0	$ 2,050
Joplin, Missouri and Victoria, Texas Television Stations [Member]
Net operating revenue	[1]	0	5,688	0	10,942
Station operating expense	[1]	0	3,643	0	7,355
Other operating expense	[1]	0	0	0	31
Operating income	[1]	0	2,045	0	3,556
Interest expense	[1],[2]	0	8	0	16
Income before income taxes	[1]	0	2,037	0	3,540
Income tax expense	[1],[3]	0	878	0	1,490
Income from discontinued operations, net of tax	[1]	$ 0	$ 1,159	$ 0	$ 2,050

[1] Results of operations for the Television stations are reflected through June 30, 2017. The effective date of the sale was September 1, 2017.

[2] Interest expense related to the Surtsey Media, LLC debt that is guaranteed by the television stations. Our affiliate repaid this loan when the television stations were sold on September 1, 2017.

[3] The effective tax rates on pretax income from discontinued operations were approximately 42%.