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    <Log type="Info">'Monetary' elements on report '090300 - Disclosure - INVESTMENT SECURITIES, Amortized Cost, Estimated Values and Gross Unrealized Gains and Losses (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '090306 - Disclosure - INVESTMENT SECURITIES, Other Disclosures (Details)' had a mix of different decimal attribute values.</Log>
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    <Log type="Info">'Monetary' elements on report '090420 - Disclosure - LOANS (Details Textual)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '090500 - Disclosure - EMPLOYEE BENEFITS (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '090600 - Disclosure - STOCK-BASED COMPENSATION (Details)' had a mix of different decimal attribute values.</Log>
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    <Log type="Info">Process Flow-Through: 010000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CONDITION (UNAUDITED)</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Mar. 31, 2014'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Jun. 30, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Mar. 31, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2012'</Log>
    <Log type="Info">Process Flow-Through: 010100 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CONDITION (UNAUDITED) (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 020000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)</Log>
    <Log type="Info">Process Flow-Through: 030000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED)</Log>
    <Log type="Info">Process Flow-Through: 050000 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)</Log>
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    <File>subk-20140630.xsd</File>
    <File>subk-20140630_cal.xml</File>
    <File>subk-20140630_def.xml</File>
    <File>subk-20140630_lab.xml</File>
    <File>subk-20140630_pre.xml</File>
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  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
