Summary of Significant Accounting Policies Operating Results of Local Programming and Marketing Agreement Fees (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2017	Nov. 30, 2016
Segment Reporting Information [Line Items]
Net revenues	$ 35,345	$ 56,299	$ 118,357	$ 171,075
Station operating expenses excluding LMA fees and depreciation and amortization expense	27,986	45,426	93,120	135,406
Interest expense	3,000	4,481	12,214	13,929
98.7 FM
Segment Reporting Information [Line Items]
Net revenues	2,582	2,582	7,748	7,748
Station operating expenses excluding LMA fees and depreciation and amortization expense	293	346	882	960
Interest expense	$ 640	$ 699	$ 1,968	$ 2,142