Securities Available-For-Sale (Details) - Schedule of realized gains and losses - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Schedule of realized gains and losses [Abstract]
Proceeds		$ 78,680	$ 29,543	$ 85,253
Gross gains on sales of securities		4,131	1,596	4,234
Gross losses on sales of securities
Net gains on sales of securities		4,131	1,596	4,234
Less: tax provision on net gains		1,640	579	1,682
Net gains on sales of securities, after tax		$ 2,491	$ 1,017	$ 2,552

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=98514028&loc=d3e3602-108585

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