Investment Securities (Details) - Schedule of realized gains and losses - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Schedule of realized gains and losses [Abstract]
Proceeds	$ 2,734	$ 16,127	$ 12,271	$ 66,738
Gross gains on sales of investment securities	221	579	726	2,011
Gross losses on sales of investment securities		(5)		(22)
Net gains on sales of investment securities	221	574	726	1,989
Less: tax provision on net gains	90	179	297	559
Total	$ 131	$ 395	$ 429	$ 1,430

The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Name:	us-gaap_GainLossOnSaleOfInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration