BASIS OF PRESENTATION AND ORGANIZATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012
Income Statement Abstract
Income Tax Expense (Benefit)	$ 713	$ 580
Net income (loss)	1,363	(251)	26,024
Statement Of Financial Position Abstract
Deferred tax assets	2,850		2,850
Total current assets	76,340		91,266
Total assets	895,817		912,688
Deferred tax liabilities	44,964		44,272
Total long-term liabilities	552,931		584,643
Total liabilities	595,717		614,295
Accumulated deficit	(305,350)		(306,713)
Total shareholders' equity	300,100		298,393	269,494
Total liabilities and shareholders' equity	895,817		912,688
Statement Of Cash Flows Abstract
Net income (loss)	1,363	(251)	26,024
Deferred Income Tax Expense (Benefit)	$ 713	$ 580