BASIS OF PRESENATION (Details 2)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Income tax
Statutory federal income tax rate (as a percent)					35.00%
Effective tax rate (as a percent)	33.60%	35.50%	33.90%	37.60%
Guyana
Income tax
Statutory federal income tax rate (as a percent)					45.00%