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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Net income (loss):	$ 13,100	$ 6,267	$ (819)
Available-for-sale securities:
Changes in unrealized losses	(95)	(151)	(324)
Reclassification adjustments for (gains) losses included in net income	9	78	(6)
Net change	(86)	(73)	(330)
Cash flow hedges:
Changes in unrealized gains (losses)	158	177	(430)
Reclassification adjustments for (gains) losses included in net income	(161)	(104)	382
Net change	(3)	73	(48)
Other comprehensive loss before tax	(89)		(378)
Income tax benefit related to components of other comprehensive loss	(11)	(17)	(23)
Other comprehensive income (loss), net of taxes	(78)	17	(355)
Comprehensive income (loss)	$ 13,022	$ 6,284	$ (1,174)

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