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INTERIM CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Statement Of Income And Comprehensive Income [Abstract] |  |  |  |
Net income (loss): | $ (323) | $ 2,594 | $ 3,557 | $ 10,930
Available-for-sale securities: |  |  |  |
Changes in unrealized gains (losses) | 518 | 668 | (171) | 1,509
Reclassification adjustments for gains included in net income (loss) | (62) | 36 | (301) | (91)
Net change | 456 | 704 | (472) | 1,418
Cash flow hedges: |  |  |  |
Changes in unrealized gains | 77 | 34 | 295 | (22)
Reclassification adjustments for gains (losses) included in net income (loss) | (164) | 82 | (452) | 222
Net change | (87) | 116 | (157) | 200
Other comprehensive income (loss) before tax | 369 | 820 | (629) | 1,618
Income tax benefit (expense) related to components of other comprehensive income (loss) | (123) | (216) | 148 | (437)
Other comprehensive income (loss), net of taxes | 246 | 604 | (481) | 1,181
Comprehensive income (loss) | $ (77) | $ 3,198 | $ 3,076 | $ 12,111

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