Other Significant Events Results of St. Louis Radio Stations (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Apr. 30, 2018	Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2018	Nov. 30, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
NET REVENUES		$ 30,323	$ 35,345	$ 90,385	$ 118,357
Station operating expenses excluding LMA fees and depreciation and amortization expense		23,971	27,986	71,505	93,120
Depreciation and amortization		806	880	2,384	2,739
Loss (gain) on sale of assets, net of disposition costs		235	46	(31,817)	(76,660)
Operating income		2,957	3,932	40,649	91,364
Interest expense		1,546	3,000	5,902	12,214
Income (loss) before income taxes		1,451	803	34,068	76,512
St Louis [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
NET REVENUES		(13)	6,218	712	18,974
Station operating expenses excluding LMA fees and depreciation and amortization expense		(208)	4,797	485	14,536
Depreciation and amortization		0	146	0	425
Loss (gain) on sale of assets, net of disposition costs	$ 32,100	(235)	0	32,418	0
Operating income		(40)	1,275	32,645	4,013
Interest expense		0	844	592	2,478
Income (loss) before income taxes		$ (40)	$ 431	$ 32,053	$ 1,535