CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN EQUITY (Unaudited) - 9 months ended Nov. 30, 2018 - USD ($) $ in Thousands	Total	Additional Paid-in Capital	Accumulated Deficit	Noncontrolling Interests	Class B Common Stock Common Stock	Class A Common Stock Common Stock
Beginning Balance at Feb. 28, 2018	$ 78,263	$ 594,708	$ (547,252)	$ 30,680	$ 11	$ 116
Beginning Balance (in shares) at Feb. 28, 2018					1,142,366	11,649,440
Net income	26,220		23,824	2,396
Issuance of common stock to employees and officers	850	849			$ 1	$ 0
Issuance of common stock to employees and officers (in shares)					100,000	(14,095)
Exercise of stock options	345	343				$ 2
Distributions to noncontrolling interests	(3,792)			(3,792)
Ending Balance at Nov. 30, 2018	$ 101,886	$ 595,900	$ (523,428)	$ 29,284	$ 12	$ 118
Ending Balance (in shares) at Nov. 30, 2018					1,242,366	11,777,013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	141,668					141,668