Accumulated Other Comprehensive Income Change in other comprehensive income for the period (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning of period			$ 3,794	$ 232
Unrealized holding gains (losses) (net of tax, $1,822 and $332 for 6 months ended June 30, 2014 and 2015, respectively)	$ (1,780)	$ 1,890	(644)	3,537
Reclassification adjustment (net of tax, $44 and $47 for 6 months ended June 30, 2014 and 2015, respectively)			(91)	(85)
Unrealized loss on interest rate swaps (net of tax, $53 and $0 for 6 months ended June 30, 2014 and 2015, respectively)			(1)	(108)
Reclassification adjustment, (net of tax, $3 and $2 for 6 months ended June 30, 2014 and 2015, respectively)	0	5	(4)	5
Balance end of period	3,054	3,581	3,054	3,581
Unrealized Gains on Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning of period			3,979	261
Unrealized holding gains (losses) (net of tax, $1,822 and $332 for 6 months ended June 30, 2014 and 2015, respectively)			(644)	3,537
Reclassification adjustment (net of tax, $44 and $47 for 6 months ended June 30, 2014 and 2015, respectively)			(91)	(85)
Unrealized loss on interest rate swaps (net of tax, $53 and $0 for 6 months ended June 30, 2014 and 2015, respectively)			0	0
Reclassification adjustment, (net of tax, $3 and $2 for 6 months ended June 30, 2014 and 2015, respectively)			0	0
Balance end of period	3,244	3,713	3,244	3,713
Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance beginning of period			(185)	(29)
Unrealized holding gains (losses) (net of tax, $1,822 and $332 for 6 months ended June 30, 2014 and 2015, respectively)			0	0
Reclassification adjustment (net of tax, $44 and $47 for 6 months ended June 30, 2014 and 2015, respectively)			0	0
Unrealized loss on interest rate swaps (net of tax, $53 and $0 for 6 months ended June 30, 2014 and 2015, respectively)			(1)	(108)
Reclassification adjustment, (net of tax, $3 and $2 for 6 months ended June 30, 2014 and 2015, respectively)			(4)	5
Balance end of period	$ (190)	$ (132)	$ (190)	$ (132)