Nature of Operations	9 Months Ended
Sep. 30, 2015
Nature Of Operations [Abstract]
Nature of Operations	Note 1. Nature of Operations Operations of Wells Financial Corp. (the “Company”) primarily consist of banking services through Wells Federal Bank (the “Bank”), and Wells Insurance Agency, Inc., a property and casualty insurance agency. The Company serves its customers through the Bank’s nine locations in south central Minnesota.

The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6003-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 2A

-URI http://asc.fasb.org/extlink&oid=51801978&loc=SL51803626-108592

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