CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Comprehensive Income [Abstract]
Net income (loss):	$ (819)us-gaap_NetIncomeLoss	$ 6,685us-gaap_NetIncomeLoss	$ 13,685us-gaap_NetIncomeLoss
Available-for-sale securities:
Changes in unrealized gains (losses)	(324)	65	1,407
Reclassification adjustments for gains included in net income	(6)	(379)	(184)
Net change	(330)	(314)	1,223
Cash flow hedges:
Changes in unrealized gains (losses)	(430)	283	246
Reclassification adjustments for (gains) losses included in net income	382	(515)	195
Net change	(48)	(232)	441
Net current period other comprehensive income (loss), before tax	(378)	(546)	1,664
Income tax expense (benefit) related to components of other comprehensive income (loss)	(23)us-gaap_OtherComprehensiveIncomeLossTax	(105)us-gaap_OtherComprehensiveIncomeLossTax	403us-gaap_OtherComprehensiveIncomeLossTax
Net current period other comprehensive income (loss), Total	(355)	(441)	1,261
Comprehensive income (loss)	$ (1,174)us-gaap_ComprehensiveIncomeNetOfTax	$ 6,244us-gaap_ComprehensiveIncomeNetOfTax	$ 14,946us-gaap_ComprehensiveIncomeNetOfTax

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount before tax, after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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