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Regulatory Capital (Narrative Disclosures) (Details) | 3 Months Ended
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Mar. 31, 2017
Regulatory Capital Requirements [Abstract] |
Description of possible effects of noncompliance or less than adequately capitalized | Failure to meet minimum capital requirements can result in certain mandatory, and possibly additional discretionary actions on the part of regulators, that if undertaken, could have a direct material effect on the Banks’ assets, liabilities and certain off-balance-sheet items as calculated under regulatory practices.
Capital Conservation Buffer, Initial Phase In Percent | 0.625%
Capital Conservation Buffer, Yearly Phase-In Percent Increase | 0.625%
Capital Conservation Buffer, Fully Phased-In Percent | 2.50%

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- Definition Description of the possible material effects of noncompliance with capital adequacy requirements when the entity is not in compliance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826 + Details
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