Acquisition - Schedule of Preliminary Purchase Price Allocation (Details) - USD ($) $ in Thousands		6 Months Ended
	Dec. 09, 2019	Jun. 30, 2020
Business Acquisition [Line Items]
Goodwill		$ 12,700
FMG Valdosta, LLC and FMG Kentucky, LLC | SG Broadcasting
Business Acquisition [Line Items]
Cash consideration		43,108
Due from Seller		(106)
Total Consideration	$ 43,100	43,002
Accounts receivable		1,485
Other current assets		133
Property, plant and equipment		27,435
Operating lease, right-of-use assets		15,264
Goodwill		12,685
Intangibles (Note 4)		5,270
Deferred tax asset		1,054
Other assets		15
Assets Acquired		63,341
Accounts payable		73
Accrued expenses and other current liabilities		585
Current portion of operating lease liabilities		822
Operating lease liabilities, less current portion		12,320
Asset retirement obligations (Note 10)		5,634
Deferred revenue		753
Other noncurrent liabilities		152
Liabilities Assumed		20,339
Net Assets Acquired		$ 43,002