CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Consolidated Statements of Comprehensive Income
Net income (loss)	$ 32,779	$ 135,817	$ (9,602)
Unrealized (losses) gains on securities:
Holding losses arising during period, net of tax	(4)	(191)	(268)
Reclassification adjustment for (losses) gains included in net income (loss)	(584)	65	24
Net unrealized losses on securities	(588)	(126)	(244)
Total comprehensive income (loss)	$ 32,191	$ 135,691	$ (9,846)