Summary of Significant Accounting Policies - Schedule of Allocated Charges (Details) - USD ($) $ in Thousands	1 Months Ended		7 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Significant Accounting Policies [Line Items]
Station operating expenses, excluding depreciation and amortization expense	$ 3,911	$ 3,664	$ 23,454	$ 22,301
Noncash compensation			181	176
Stations
Significant Accounting Policies [Line Items]
Station operating expenses, excluding depreciation and amortization expense	296	194	1,490	1,645
Noncash compensation	35	13	181	176
Allocated charges from Emmis	$ 331	$ 207	$ 1,671	$ 1,821