Significant Events Results of KPWR-FM (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2017	Nov. 30, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
NET REVENUES	$ 35,345	$ 56,299	$ 118,357	$ 171,075
Station operating expenses excluding LMA fees and depreciation and amortization expense	27,986	45,426	93,120	135,406
Depreciation and amortization	880	1,132	2,739	3,746
Gain on sale of assets, net of disposition costs	(46)	17,491	76,660	17,491
Operating income (loss)	3,932	23,835	91,364	37,407
Interest expense	3,000	4,481	12,214	13,929
Income (loss) before income taxes	803	18,886	76,512	23,142
KPWR-FM [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
NET REVENUES	0	6,058	7,818	19,443
Station operating expenses excluding LMA fees and depreciation and amortization expense	177	4,367	7,105	13,096
Depreciation and amortization	0	99	63	306
Gain on sale of assets, net of disposition costs	0	0	(76,745)	0
Operating income (loss)	(177)	1,592	77,395	6,041
Interest expense	0	1,302	2,479	3,935
Income (loss) before income taxes	$ (177)	$ 290	$ 74,916	$ 2,106