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Basis of Presentation | 9 Months Ended
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Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Basis of Accounting [Text Block] | Note 1 - Basis of Presentation The consolidated financial statements include the accounts of NorthWest Indiana Bancorp (the “Bancorp”), its wholly-owned subsidiaries NWIN Risk Management, Inc. (a captive insurance subsidiary) and Peoples Bank SB (the “Bank”), and the Bank’s wholly-owned subsidiaries, Peoples Service Corporation, NWIN, LLC, NWIN Funding, Incorporated, and Columbia Development Company, LLC. The Bancorp’s business activities include being a holding company for the Bank as well as a holding company for NWIN Risk Management, Inc. The Bancorp’s earnings are primarily dependent upon the earnings of the Bank. The accompanying unaudited consolidated financial statements were prepared in accordance with instructions for Form 10-Q and, therefore, do not include all disclosures required by U.S. generally accepted accounting principles for complete presentation of consolidated financial statements. In the opinion of management, the consolidated financial statements contain all adjustments necessary to present fairly the consolidated balance sheets of the Bancorp as of September 30, 2017 and December 31, 2016, and the consolidated statements of income, comprehensive income, and changes in stockholders’ equity for the three and nine months ended September 30, 2017 and 2016 and consolidated statements of cash flows for the nine months ended September 30, 2017 and 2016. The income reported for the nine month period ended September 30, 2017 is not necessarily indicative of the results to be expected for the full year.

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- Definition The entire disclosure for the basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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