Acquisitions and Dispositions - Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets Acquired:
Property and equipment	$ 0	$ 3
Other assets:
Broadcast licenses	0	69
Goodwill	0	103
Total other assets	0	172
Total assets acquired	0	175
Liabilities Assumed:
Current liabilities	0	0
Total liabilities assumed	0	0
Net assets acquired	$ 0	$ 175