Summary of Significant Accounting Policies Operating Results of Local Programming and Marketing Agreement Fees (Details) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2018	May 31, 2017
Segment Reporting Information [Line Items]
Net revenues	$ 28,006	$ 40,164
Station operating expenses excluding LMA fees and depreciation and amortization expense	21,531	31,230
Interest expense	2,641	4,666
98.7 FM
Segment Reporting Information [Line Items]
Net revenues	2,583	2,583
Station operating expenses excluding LMA fees and depreciation and amortization expense	297	293
Interest expense	$ 609	$ 672