Organization And Summary Of Significant Accounting Policies	9 Months Ended
Sep. 30, 2017
Organization And Summary Of Significant Accounting Policies [Abstract]
Organization And Summary Of Significant Accounting Policies	1. ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES The accounting and reporting policies followed by Evans Bancorp, Inc. (the “Company”), a financial holding company, and its two direct, wholly-owned subsidiaries: (i) Evans Bank, National Association (the “Bank”), and the Bank’s subsidiaries, Evans National Leasing, Inc. (“ENL”), Evans National Holding Corp. (“ENHC”) and Suchak Data Systems, LLC (“SDS”); and (ii) Evans National Financial Services, LLC (“ENFS”), and ENFS’s subsidiary, The Evans Agency, LLC (“TEA”), and TEA’s subsidiaries, Frontier Claims Services, Inc. (“FCS”) and ENB Associates Inc. (“ENBA”), in the preparation of the accompanying interim unaudited consolidated financial statements conform with U.S. generally accepted accounting principles (“GAAP”) and with general practice within the industries in which it operates. Except as the context otherwise requires, the Company and its direct and indirect subsidiaries are collectively referred to in this report as the “Company.” The results of operations for the three and nine month periods ended September 30, 2017 are not necessarily indicative of the results to be expected for the full year. The accompanying unaudited consolidated financial statements should be read in conjunction with the Audited Consolidated Financial Statements and the Notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2016 (“10-K”). The Company’s significant accounting policies are disclosed in Note 1 to the 10-K.

1. ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The accounting and reporting policies followed by Evans Bancorp, Inc. (the “Company”), a financial holding company, and its two direct, wholly-owned subsidiaries: (i) Evans Bank, National Association (the “Bank”), and the Bank’s subsidiaries, Evans National Leasing, Inc. (“ENL”), Evans National Holding Corp. (“ENHC”) and Suchak Data Systems, LLC (“SDS”); and (ii) Evans National Financial Services, LLC (“ENFS”), and ENFS’s subsidiary, The Evans Agency, LLC (“TEA”), and TEA’s subsidiaries, Frontier Claims Services, Inc. (“FCS”) and ENB Associates Inc. (“ENBA”), in the preparation of the accompanying interim unaudited consolidated financial statements conform with U.S. generally accepted accounting principles (“GAAP”) and with general practice within the industries in which it operates. Except as the context otherwise requires, the Company and its direct and indirect subsidiaries are collectively referred to in this report as the “Company.”

The results of operations for the three and nine month periods ended September 30, 2017 are not necessarily indicative of the results to be expected for the full year. The accompanying unaudited consolidated financial statements should be read in conjunction with the Audited Consolidated Financial Statements and the Notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2016 (“10-K”). The Company’s significant accounting policies are disclosed in Note 1 to the 10-K.