INCOME TAXES (Sources and Tax Effects of Differences Between Benefit from Income Taxes and Amount Computed by Applying Federal Statutory Income Tax Rate to Losses from Continuing Operations before Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
INCOME TAXES [Abstract]
Income tax benefit at the federal statutory tax rate of 35%	$ (1,296)	$ (42,146)	$ (53,809)
Statutory depletion	(20,875)	(19,608)	(18,931)
State and local income taxes, net of federal income tax benefit	(3,641)	(2,076)	(6,445)
Fair market value over tax basis of charitable contributions	0	(2,007)	0
Undistributed foreign earnings	0	0	(2,553)
Prior year true up adjustments	1,883	(657)	3,115
Other, net	(530)	2	140
Total benefit from income taxes	$ (24,459)	$ (66,492)	$ (78,483)
Income tax benefit at the federal statutory tax rate of 35%, Rate	35.00%	35.00%	35.00%
Statutory depletion, Rate	563.70%	16.30%	12.30%
State and local income taxes, net of federal income tax benefit, Rate	98.30%	1.70%	4.20%
Fair market value over tax basis of charitable contributions, Rate	0.00%	1.70%	0.00%
Undistributed foreign earnings, Rate	0.00%	0.00%	1.70%
Prior year true up adjustments, Rate	(50.90%)	0.50%	(2.10%)
Other, net, Rate	14.40%	0.00%	(0.10%)
Total Effective tax rate	660.50%	55.20%	51.00%