Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012
Accumulated other comprehensive income (loss), Beginning Balance	$ 708	$ (1,689)
Unrealized holding gains (losses)	(1,263)	1,011
Reclassification of (gains) losses recognized	234
Accumulated other comprehensive income (loss), Ending Balance	(321)	(678)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated other comprehensive income (loss), Beginning Balance	1,894	1,370
Unrealized holding gains (losses)	(1,670)	546
Reclassification of (gains) losses recognized	(545)
Accumulated other comprehensive income (loss), Ending Balance	(321)	1,916
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated other comprehensive income (loss), Beginning Balance	(1,186)	(3,059)
Unrealized holding gains (losses)	407	465
Reclassification of (gains) losses recognized	779
Accumulated other comprehensive income (loss), Ending Balance	$ 0	$ (2,594)

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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