Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parentheticals) - shares	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2016
Acquisition – Milton Bancorp, Inc., shares (in shares)	523,518	523,518
Common stock issued to ESOP, shares (in shares)		24,572

Number of shares of capital stock issued (purchased by employees) in connection with an employee stock ownership plan.

Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 40
-Section 25
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-URI http://asc.fasb.org/extlink&oid=65888597&loc=d3e16649-113920

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