Investment Securities (Details) - Schedule of realized gains and losses - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Schedule of realized gains and losses [Abstract]
Proceeds	$ 85,253	$ 65,231	$ 81,844
Gross gains on sales of investment securities	4,234	3,931	2,837
Gross losses on sales of investment securities			19
Net gains on sales of investment securities	4,234	3,931	2,818
Less: tax provision on net gains	(1,682)	(1,564)	(986)
Net gains on sales of investment securities, after tax	$ 2,552	$ 2,367	$ 1,832