Acquisitions and Dispositions (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets Acquired:
Current assets	$ 814	$ 977
Property and equipment	375	4,614
Other assets:
Broadcast licenses-Radio segment	8,123	2,218
Broadcast licenses-Television segment	0	0
Goodwill-Radio segment	4,533	2,548
Goodwill-Television segment	0	0
Other intangibles, deferred costs and investments	398	1,623
Total other assets	13,054	6,389
Total assets acquired	14,243	11,980
Liabilities Assumed:
Current liabilities	41	82
Total liabilities assumed	41	82
Net assets acquired	$ 14,202	$ 11,898