CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (DEFICIT) - USD ($) $ in Thousands	Total		Additional Paid-in Capital	Accumulated Deficit	Noncontrolling Interests	Series A preferred stock Preferred stock	Class B Common Stock Common Stock	Class A Common Stock Common Stock
Beginning Balance (in shares) at Feb. 28, 2015						928,991	1,142,366	9,763,680
Beginning Balance at Feb. 28, 2015	$ (12,149)		$ 585,686	$ (644,614)	$ 46,661	$ 9	$ 11	$ 98
Net income	(304)			2,114	(2,418)
Exercise of stock options and related income tax benefits (In shares)								47,500
Exercise of stock options and related income tax benefits	135		135					$ 0
Issuance of Common Stock to employees and officers and related income tax benefits (In shares)								552,990
Issuance of Common Stock to employees and officers and related income tax benefits	4,014		4,008					$ 6
Conversion of Preferred Stock to Class A Common Stock (In shares)						(62,672)		38,230
Conversion of Preferred Stock to Class A Common Stock			1					$ 0
Payments of dividends and distributions to noncontrolling interests	(5,846)				(5,846)
Ending Balance (in shares) at Feb. 29, 2016						866,319	1,142,366	10,402,400
Ending Balance at Feb. 29, 2016	(14,149)		589,830	(642,500)	38,397	$ 9	$ 11	$ 104
Net income	13,220			13,119	101
Exercise of stock options and related income tax benefits (In shares)								57,738
Exercise of stock options and related income tax benefits	115		114					$ 1
Issuance of Common Stock to employees and officers and related income tax benefits (In shares)								213,197
Issuance of Common Stock to employees and officers and related income tax benefits	2,374		2,372					$ 2
Conversion of Preferred Stock to Class A Common Stock (In shares)						(866,319)		606,423
Conversion of Preferred Stock to Class A Common Stock	6		9			$ (9)		$ 6
Stock Repurchased During Period, Value			(5)
Stock Repurchased During Period, Shares								(1,693)
Payments of dividends and distributions to noncontrolling interests	(5,577)				(5,577)
Ending Balance (in shares) at Feb. 28, 2017						0	1,142,366	11,278,065
Ending Balance at Feb. 28, 2017	(4,016)		592,320	(629,381)	32,921	$ 0	$ 11	$ 113
Net income	$ 84,759			82,129	2,630
Exercise of stock options and related income tax benefits (In shares)	52,250	[1]						52,250
Exercise of stock options and related income tax benefits	$ 131		131					$ 0
Issuance of Common Stock to employees and officers and related income tax benefits (In shares)								319,125
Issuance of Common Stock to employees and officers and related income tax benefits	2,260		2,257					$ 3
Payments of dividends and distributions to noncontrolling interests	(4,871)				(4,871)
Ending Balance (in shares) at Feb. 28, 2018						0	1,142,366	11,649,440
Ending Balance at Feb. 28, 2018	$ 78,263		$ 594,708	$ (547,252)	$ 30,680	$ 0	$ 11	$ 116

[1] The Company did not record an income tax benefit related to option exercises in the years ended February 2016, 2017 and 2018. Cash received from option exercises during the years ended February 2016, 2017 and 2018 was $0.1 million, $0.1 million and $0.1 million, respectively.