Off-Balance Sheets Activities and Derivatives (Details 3) (Not Designated As Hedging Instruments, USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Gains and losses on derivative instruments
Gains (losses) on derivative instruments	$ (103)	$ (198)	$ 95	$ (81)
Derivative loan commitments | Gain (loss) on sale of loans, net
Gains and losses on derivative instruments
Gains (losses) on derivative instruments	(288)	1,512	351	95
Forward loan sale commitments | Gain (loss) on sale of loans, net
Gains and losses on derivative instruments
Gains (losses) on derivative instruments	$ 185	$ 1,710	$ (256)	$ (176)