Acquisitions and Dispositions - Recognized identified assets acquired and liabilities Assumed (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Assets Acquired:
Current assets	$ 0	$ 559
Property and equipment	25	3,007
Other assets:
Broadcast licenses	61	1,991
Goodwill	124	3,281
Other intangibles, deferred costs and investments	0	1,123
Total other assets	185	6,395
Total assets acquired	210	9,961
Liabilities Assumed:
Current liabilities	0	120
Total liabilities assumed	0	120
Net assets acquired	$ 210	$ 9,841