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Consolidated Statements of Changes in Shareholders' Equity (Parentheticals) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Common stock issued to ESOP | 14,618 us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan | 28,634 us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan | 32,765 us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan
Common Stock [Member] |  |  |
Common stock issued to ESOP | 14,618 us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 28,634 us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 32,765 us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Common stock issued through dividend reinvestment | 4,304 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 7,915 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 2,883 us-gaap_StockIssuedDuringPeriodSharesNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Cash dividends (in Dollars per share) | 0.84 us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 0.73 us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember | 1.09 us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember

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- Definition Number of shares of capital stock issued (purchased by employees) in connection with an employee stock ownership plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 25 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6418455&loc=d3e16649-113920 + Details
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