TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Tax Examination [Line Items]
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate	5.70%	17.70%	0.30%	19.60%
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ 1,000		$ 3,000
Unrecognized Tax Benefits	4,700		4,700
Income Tax Expense (Benefit)	(2,756)	$ 5,986	$ (123)	$ 17,809
Eastern Airways
Income Tax Examination [Line Items]
Ownership percentage in Variable Interest Entity			60.00%
Tax indemnity asset	$ 3,600		$ 3,600