Summary of Significant Accounting Policies Assets and Liabilities of Local Programming and Marketing Agreement Fees (Details) - USD ($) $ in Thousands	Nov. 30, 2018	Feb. 28, 2018
Segment Reporting Information [Line Items]
Prepaid expenses	$ 3,901	$ 3,234
Other current assets	1,538	3,680
Total current assets	36,977	59,793
Property and equipment, net	23,869	26,601
Indefinite-lived intangibles	170,890	170,890
Total assets	245,806	271,144
Other current liabilities	12,544	2,695
Total current liabilities	59,631	32,697
Long-term debt, net of current portion	50,362	122,849
Other noncurrent liabilities	6,250	5,932
Total liabilities	143,920	192,881
98.7 FM
Segment Reporting Information [Line Items]
Restricted cash	1,359	1,358
Prepaid expenses	407	448
Other current assets	249	31
Total current assets	2,015	1,837
Property and equipment, net	192	208
Indefinite-lived intangibles	46,390	46,390
Deposits and other	6,355	6,543
Total noncurrent assets	52,937	53,141
Total assets	54,952	54,978
Accounts payable and accrued expenses	18	18
Current maturities of long-term debt	7,006	6,587
Deferred revenue	864	835
Other current liabilities	167	184
Total current liabilities	8,055	7,624
Long-term debt, net of current portion	40,513	45,632
Total noncurrent liabilities	40,513	45,632
Total liabilities	$ 48,568	$ 53,256