STOCKHOLDERS' EQUITY - OPTIONS GRANTED OUTSIDE CINEDIGM'S EQUITY INCENTIVE PLAN (Details)	1 Months Ended		3 Months Ended		6 Months Ended
	Oct. 31, 2013 employee $ / shares shares	Dec. 31, 2010 $ / shares shares	Sep. 30, 2016 shares	Sep. 30, 2015 shares	Sep. 30, 2016 shares	Sep. 30, 2015 shares
Class of Stock [Line Items]
Shares under option, granted (shares)			0	5,000	0	130,000
Class A common stock | Chief Executive Officer
Class of Stock [Line Items]
Options exercise price range, lower (in dollars per share) | $ / shares		$ 15.0
Options exercise price range, upper (in dollars per share) | $ / shares		$ 50.0
Class A common stock | Chief Executive Officer | Stock option
Class of Stock [Line Items]
Number of shares authorized (shares)		450,000
Gaiam Americas, Inc. and Gaiam, Inc. (GVE)
Class of Stock [Line Items]
Number of employees joining company following acquisition | employee	10
Shares under option, granted (shares)	62,000
Weighted average exercise price per share, granted (in dollars per share) | $ / shares	$ 17.50
Options nonvested (shares)			23,250		23,250
Gaiam Americas, Inc. and Gaiam, Inc. (GVE) | Stock option
Class of Stock [Line Items]
Award vesting rights percentage	25.00%
Award vesting period	4 years
Aware expiration period	10 years