STOCKHOLDERS' DEFICIENCY - Common and Treasury Stock Issued and/or Outstanding (Details) - shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Withholding of restricted stock to satisfy taxes	92,092	82,740	22,328
Common Stock [Member] | Class A Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	54,088,174	53,925,029	53,231,651
Restricted stock grants	125,540	220,635	693,378
Restricted stock forfeitures	(257,641)	(57,490)
Withholding of restricted stock to satisfy taxes	0	0	0
Treasury stock repurchased	0
Ending balance	53,956,073	54,088,174	53,925,029
Treasury Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	859,921	777,181	754,853
Restricted stock grants	0	0	0
Restricted stock forfeitures	0	0
Withholding of restricted stock to satisfy taxes	92,092	82,740	22,328
Treasury stock repurchased	72,895
Ending balance	1,024,908	859,921	777,181
Treasury Stock [Member] | Class A Common Stock [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Withholding of restricted stock to satisfy taxes	92,092	82,740	22,328