INCOME TAXES - Net Deferred Tax Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Mar. 31, 2016
Deferred tax assets:
Net operating loss carryforwards	$ 98,232	$ 99,524
Stock based compensation	2,742	4,432
Intangibles	8,100	8,005
Revenue deferral	47	46
Interest rate derivatives	253	199
Capital loss carryforwards	4,454	7,951
Other	2,997	2,224
Total deferred tax assets before valuation allowance	116,825	122,381
Less: Valuation allowance	(106,718)	(104,285)
Total deferred tax assets after valuation allowance	10,107	18,096
Deferred tax liabilities:
Depreciation and amortization	(10,107)	(17,414)
Intangibles	0	(682)
Total deferred tax liabilities	(10,107)	(18,096)
Net deferred tax	$ 0	$ 0