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Capital Requirements (Changes) (Details)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2017	Jan. 01, 2016	Jul. 31, 2013
Total Capital (to Risk Weighted Assets), For Capital Adequacy Purposes Ratio (as a percent)	2.50%		0.625%
Tier 1 capital (to Risk Weighted Assets), Actual Ratio (as a percent)				6.00%
Term of mandatory compliance	4 years
Minimum
Total Capital (to Risk Weighted Assets), Actual Ratio (as a percent)	4.50%
CET 1 ratio		7.00%
Tier 1 capital (to Risk Weighted Assets), Actual Ratio (as a percent)				4.00%

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Period representing the new rule of mandatory compliance.

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- Definition

The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Total Capital divided by risk weighted assets as defined in the regulations.

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-Topic 942
-SubTopic 505
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-Subparagraph (c)(2)
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Tier 1 capital divided by risk weighted assets as defined by regulations.

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