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Related Party Transactions - Additional Information (Details)			3 Months Ended
	Nov. 25, 2019 USD ($)	Jun. 28, 2019 USD ($) vote Director	Mar. 31, 2020 USD ($)	Mar. 27, 2020 USD ($)	Feb. 28, 2020 USD ($)	Dec. 13, 2019 shares
Related Party Transaction [Line Items]
Transaction agreement date		Jun. 28, 2019
Principal amount outstanding			$ 88,039,000
Senior credit facility amount			$ 0
Debt instrument interest percentage			6.00%
Debt instrument increasing interest rate of each successive anniversary			1.00%
Employee Leasing Agreement
Related Party Transaction [Line Items]
Unpaid expense			$ 300,000
Employee Leasing Agreement \| Operating Expenses
Related Party Transaction [Line Items]
Operating expenses			3,100,000
SG Broadcasting
Related Party Transaction [Line Items]
Principal amount outstanding			$ 11,250,000
SG Broadcasting \| Series A Convertible Preferred Stock
Related Party Transaction [Line Items]
Preferred stock issued \| shares						220,000
Preferred share redeemable for cash at the option at any time			Jun. 12, 2025
Convertible share conversion at the option at any time			May 25, 2020
SG Broadcasting \| Management Agreement
Related Party Transaction [Line Items]
Number of board of directors \| Director		4
SG Broadcasting \| Promissory Note
Related Party Transaction [Line Items]
Face amount of debt	$ 6,300,000
Additional loan for working capital				$ 3,000,000	$ 2,000,000
Principal amount outstanding			$ 11,300,000
Senior credit facility amount	$ 0
Debt instrument interest percentage	6.00%
Debt instrument increasing interest rate of each successive anniversary	1.00%
SG Broadcasting \| Promissory Note \| Maximum
Related Party Transaction [Line Items]
Face amount of debt	$ 6,300,000			$ 20,000,000	$ 10,300,000
Transaction Agreement \| SG Broadcasting
Related Party Transaction [Line Items]
Number of vote per share \| vote		10
Emmis
Related Party Transaction [Line Items]
Principal amount outstanding			5,000,000
Emmis \| Convertible Promissory Notes
Related Party Transaction [Line Items]
Face amount of debt	5,000,000
Emmis \| SG Broadcasting \| Convertible Promissory Note
Related Party Transaction [Line Items]
Face amount of debt	5,000,000
Senior credit facility amount	$ 0
Debt instrument interest percentage	6.00%
Debt instrument increasing interest rate of each successive anniversary	1.00%
Emmis \| Transaction Agreement
Related Party Transaction [Line Items]
Purchase price for the assets of radio stations		$ 91,500,000
Number of vote per share \| vote		1
Emmis \| Transaction Agreement \| Convertible Promissory Note
Related Party Transaction [Line Items]
Notes payable		$ 5,000,000
SG Broadcasting \| Convertible Promissory Notes
Related Party Transaction [Line Items]
Face amount of debt	$ 6,300,000
Emmis Operating Company \| Management Agreement
Related Party Transaction [Line Items]
Number of board of directors \| Director		3
Annual fee		$ 1,250,000
Emmis Operating Company \| Management Agreement \| Corporate Expenses
Related Party Transaction [Line Items]
Recorded fee expense			300,000
Emmis Operating Company \| Management Agreement \| Accounts Payable and Accrued Expenses
Related Party Transaction [Line Items]
Unpaid expense			$ 100,000
Emmis Operating Company \| Employee Leasing Agreement
Related Party Transaction [Line Items]
Employee lease agreement, terms			The initial term of the Employee Leasing Agreement will last through December 31, 2020, and will automatically renew for successive six-month periods, unless otherwise terminated upon the occurrence of certain events. Upon termination of the Employee Leasing Agreement, we will hire all of the leased employees and assume employment and collective bargaining agreements related to those employees.
MediaCo \| Emmis
Related Party Transaction [Line Items]
Equity ownership interest			100.00%
MediaCo \| Emmis \| Transaction Agreement
Related Party Transaction [Line Items]
Equity ownership interest		23.72%
MediaCo \| SG Broadcasting \| Transaction Agreement
Related Party Transaction [Line Items]
Equity ownership interest		76.28%