8. COMMON STOCK - Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
Share repurchase program
Repurchase of common stock, amount	$ 7,026	$ 30,026	$ 2,880
Common shares
Share repurchase program
Repurchase of common stock, shares	10,340,501
Treasury stock acquired cost per share	$ 5.18
Repurchase of common stock, amount	$ 53,500
Remaining authorized amount to be repurchased	$ 1,500