EARNINGS (LOSS) PER SHARE (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Earnings (Loss) Per Share
Net loss	$ (21,007)	$ (67,948)
Less: net earnings attributable to participating securities	0	0
Net loss for basic and diluted loss per share	$ (21,007)	$ (67,948)
Weighted Average Number of Shares Outstanding Reconciliation
Weighted average common shares outstanding during the period for basic loss per share	116,838	115,655
Dilutive effects of potential common shares	0	0
Weighted average common shares outstanding during the period, including the effects of dilutive potential common shares, for diluted loss per share	116,838	115,655