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Accumulated Other Comprehensive Income (Loss) (Components of Accumulated Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Abstract]    
Net unrealized gain (loss) on securities available-for-sale $ 2,428 $ 4,933
Net unrealized loss on securities available-for-sale for which a portion of an other-than-temporary impairment has been recognized in income (917) (917)
Net unrealized loss on derivative used for cash flow hedges (52) (109)
Net unrealized loss relating to defined benefit plan liability (109) (109)
Accumulated other comprehensive income before tax 1,350 3,798
Tax expense 576 1,420
Net of tax amount $ 774 $ 2,378