Summary of Significant Accounting Policies - Schedule of Major Classes of Assets and Liabilities (Details) $ in Thousands	Feb. 28, 2019 USD ($)
Current assets:
Total current assets	$ 6,629
Noncurrent assets:
Total noncurrent assets	110,667
Current liabilities:
Total current liabilities	2,072
Noncurrent liabilities:
Total noncurrent liabilities	2,110
Austin Radio Partnership
Current assets:
Cash and cash equivalents	1,095
Accounts receivable, net	4,856
Prepaid expenses	357
Other current assets	121
Total current assets	6,429
Noncurrent assets:
Property and equipment, net	5,060
Indefinite lived intangibles	34,720
Goodwill	4,338
Other assets	25
Total noncurrent assets	44,143
Total assets	50,572
Current liabilities:
Accounts payable and accrued expenses	291
Accrued salaries and commissions	651
Deferred revenue	591
Income taxes payable	18
Other current liabilities	23
Total current liabilities	1,574
Noncurrent liabilities:
Other noncurrent liabilities	332
Total noncurrent liabilities	332
Total liabilities	1,906
Equity:
Noncontrolling interests	47,146
WQHT-FM and WBLS-FM
Current assets:
Prepaid expenses	100
Other current assets	100
Total current assets	200
Noncurrent assets:
Property and equipment, net	2,356
Indefinite lived intangibles	63,265
Other intangibles, net	758
Other assets	145
Total noncurrent assets	66,524
Total assets	66,724
Current liabilities:
Other current liabilities	498
Total current liabilities	498
Noncurrent liabilities:
Other noncurrent liabilities	1,778
Total noncurrent liabilities	1,778
Total liabilities	$ 2,276