Investment Securities (Details Narrative)	3 Months Ended	6 Months Ended
Jun. 30, 2018 USD ($) Integer	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) Integer	Jun. 30, 2017 USD ($)
Schedule of Investments [Abstract]
Sales of held to maturity securities \| $	$ 0	$ 0	$ 0	$ 0
Available-for-sale securities, number of debt securities \| Integer	96		96
Percentage of debt securities unrealized losses depreciated on amortized cost basis	2.60%		2.60%

Amount of investment in debt security, measured at amortized cost, sold.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27405-111563

Name:	us-gaap_DebtSecuritiesHeldToMaturitySoldAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration