|3 Months Ended|
Mar. 31, 2017
|Goodwill and Intangible Assets Disclosure [Abstract]|
|Schedule of changes in goodwill||
The following table presents the changes in goodwill including acquisitions of multiple radio stations, digital entities and Mill City Press Media within our publishing segment.
Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.
Reference 1: http://www.xbrl.org/2003/role/presentationRef