INCOME TAX - Components of Income Tax (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	Dec. 31, 2011
Current:
Current federal taxes			$ (2)	$ (8)	$ (174)
Current state taxes			112	98	168
Current tax expense (benefit)			110	90	(6)
Deferred:
Deferred federal taxes			(4,189)	0	0
Deferred state taxes			(703)	0	(420)
Deferred tax expense (benefit)			(4,892)	0	(420)
Income tax benefit	$ (110)	$ 28	$ (4,782)	$ 90	$ (426)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.