Investment Securities (Details) - Schedule of realized gains and losses - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Schedule of realized gains and losses [Abstract]
Proceeds	$ 32,125	$ 2,303	$ 44,397	$ 66,738
Gross gains on sales of investment securities	2,067	111	2,793	2,122
Gross losses on sales of investment securities				(22)
Net gains on sales of investment securities	2,067	111	2,793	2,100
Less: tax provision on net gains	794	42	1,091	601
Total	$ 1,273	$ 69	$ 1,702	$ 1,499