CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Statement Of Income And Comprehensive Income Abstract
NET INCOME (LOSS)	$ 1,363	$ (251)	$ 26,024