Subsequent Events - Additional Information (Details) - Subsequent Event $ in Thousands	Jun. 28, 2019 USD ($) vote Director	Jun. 07, 2019 USD ($)
Subsequent Event [Line Items]
Estimated net proceeds from sale of property plant and intangible assets held for sale		$ 28,000
Contribution Agreement
Subsequent Event [Line Items]
Note acquired in exchange of assets	$ 5,000
Cash proceeds, net of transaction-related expenses and estimated tax liabilities	90,000
Recognize gain	40,000
Contribution Agreement | Mediaco Holding Inc
Subsequent Event [Line Items]
Cash acquired in exchange of assets	91,500
Note acquired in exchange of assets	$ 5,000
Percentage of common stock acquired in exchange of assets	23.72%
Vote per share | vote	1
Board of directors appointed | Director	3
Management fee	$ 1,250
Contribution Agreement | Mediaco Holding Inc | Standard General L.P
Subsequent Event [Line Items]
Percentage of common stock purchased	76.28%
Vote per share | vote	10
Board of directors appointed | Director	4
Maximum
Subsequent Event [Line Items]
Gain (loss) on disposition of assets		35,000
Austin Partnership
Subsequent Event [Line Items]
Net working capital included in purchase price		$ 4,300
Sinclair Telecable Inc | Austin Partnership
Subsequent Event [Line Items]
Noncontrolling interest, ownership percentage by noncontrolling owners		50.10%
Estimated gross proceeds from sale of property plant and intangible assets held for sale		$ 39,300