RESTRUCTURING CHARGES - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) Employee	Dec. 31, 2015 USD ($)	Mar. 31, 2016 USD ($) Employee
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ (199)	$ 572	$ 1,730	$ 468
Severance
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 2,034		$ 500
Restructuring and Related Cost, Number of Employees Terminated | Employee			19		1