Regulatory Capital (Schedule of Future Basel III Capital Requirements) (Details)	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Regulatory Capital [Abstract]
Leverage ratio	4.00%	4.00%
CET1: For Capital Adequacy Purposes Ratio	4.50%
Additional tier 1	1.50%
Tier 1 capital ratio	6.00%	4.00%
Tier 2	2.00%	4.00%
Total capital ratio	8.00%	8.00%
Capital conservation buffer	2.50%

The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958570-112826

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1H
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826

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Period Type:	instant