Summary of Significant Accounting Policies Assets and Liabilities of Local Programming and Marketing Agreement Fees (Details) - USD ($) $ in Thousands	May 31, 2018	Feb. 28, 2018
Segment Reporting Information [Line Items]
Prepaid expenses	$ 5,165	$ 3,234
Other current assets	1,463	3,680
Total current assets	35,952	59,793
Property and equipment, net	25,523	26,601
Indefinite-lived intangibles	170,890	170,890
Total assets	246,175	271,144
Other current liabilities	11,569	2,695
Total current liabilities	57,755	32,697
Long-term debt, net of current portion	53,385	122,849
Other noncurrent liabilities	6,522	5,932
Total liabilities	144,884	192,881
98.7 FM
Segment Reporting Information [Line Items]
Restricted cash	1,120	1,358
Prepaid expenses	436	448
Other current assets	68	31
Total current assets	1,624	1,837
Property and equipment, net	203	208
Indefinite-lived intangibles	46,390	46,390
Deposits and other	6,556	6,543
Total noncurrent assets	53,149	53,141
Total assets	54,773	54,978
Accounts payable and accrued expenses	15	18
Current maturities of long-term debt	6,724	6,587
Deferred revenue	864	835
Other current liabilities	179	184
Total current liabilities	7,782	7,624
Long-term debt, net of current portion	43,980	45,632
Total noncurrent liabilities	43,980	45,632
Total liabilities	$ 51,762	$ 53,256