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Organization and Summary of Significant Accounting Policies (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)
Organization and Summary of Significant Accounting Policies (Textual)
Uncertain income tax positions
Maximum period of loan non-accrual status past due	90 days
Income tax examination, Description	The term more likely than not means a likelihood of more than 50 percent; the term "upon examination" also includes resolution of the related appeals or litigation processes, if any. A tax position that meets the more-likely-than-not recognition threshold is initially and subsequently measured as the largest amount of tax benefit that has a greater than 50 percent likelihood of being realized upon settlement with a taxing authority that has full knowledge of all relevant information.
Cash held by the federal reserve bank	$ 15,600
AOCI to retained earnings	$ 20
Minimum [Member]
Organization and Summary of Significant Accounting Policies (Textual)
Intangible assets, weighted-average periods	1 year
Software amortized period	1 year
Maximum [Member]
Organization and Summary of Significant Accounting Policies (Textual)
Intangible assets, weighted-average periods	15 years
Software amortized period	3 years

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
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A brief description of status of the tax examination, significant findings to date, and the entity's position with respect to the findings.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount recognized for uncertainty in income taxes classified as current.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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