<?xml version="1.0" encoding="utf-8"?>
<FilingSummary xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <Version>2.4.0.8</Version>
  <ProcessingTime />
  <ReportFormat>Html</ReportFormat>
  <ContextCount>357</ContextCount>
  <ElementCount>393</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>68</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>7</UnitCount>
  <MyReports>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>0000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
    </Report>
    <Report>
      <IsDefault>true</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>0010 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/BalanceSheet</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>0015 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/BalanceSheetParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>0020 - Statement - Consolidated Statements of Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/StatementOfIncome</Role>
      <ShortName>Consolidated Statements of Income</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>0030 - Statement - Consolidated Statements of Comprehensive Income (Loss)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/StatementOfComprehensiveIncome</Role>
      <ShortName>Consolidated Statements of Comprehensive Income (Loss)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>0040 - Statement - Consolidated Statements of Stockholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/StatementOfStockholdersEquity</Role>
      <ShortName>Consolidated Statements of Stockholders' Equity</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>0045 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/StatementOfStockholdersEquityParenthetical</Role>
      <ShortName>Consolidated Statements of Stockholders' Equity (Parenthetical)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>0050 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/CashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>1010 - Disclosure - BASIS OF PRESENTATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureBasisOfPresentation</Role>
      <ShortName>BASIS OF PRESENTATION</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>1020 - Disclosure - EARNINGS PER SHARE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureEarningsPerShare</Role>
      <ShortName>EARNINGS PER SHARE</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>1030 - Disclosure - STOCK BASED COMPENSATION PLANS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureStockBasedCompensationPlans</Role>
      <ShortName>STOCK BASED COMPENSATION PLANS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>1040 - Disclosure - SECURITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureSecurities</Role>
      <ShortName>SECURITIES</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>1050 - Disclosure - ESTIMATED FAIR VALUE OF FINANCIAL INSTRUMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureEstimatedFairValueOfFinancialInstruments</Role>
      <ShortName>ESTIMATED FAIR VALUE OF FINANCIAL INSTRUMENTS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>1060 - Disclosure - LOANS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureLoans</Role>
      <ShortName>LOANS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>1070 - Disclosure - ALLOWANCE FOR LOAN LOSSES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureAllowanceForLoanLosses</Role>
      <ShortName>ALLOWANCE FOR LOAN LOSSES</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>1080 - Disclosure - EMPLOYEE BENEFITS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureEmployeeBenefits</Role>
      <ShortName>EMPLOYEE BENEFITS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>1090 - Disclosure - SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureSecuritiesSoldUnderAgreementsToRepurchase</Role>
      <ShortName>SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>1100 - Disclosure - FEDERAL HOME LOAN BANK ADVANCES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureFederalHomeLoanBankAdvances</Role>
      <ShortName>FEDERAL HOME LOAN BANK ADVANCES</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>1110 - Disclosure - JUNIOR SUBORDINATED DEBENTURES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureJuniorSubordinatedDebentures</Role>
      <ShortName>JUNIOR SUBORDINATED DEBENTURES</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>1120 - Disclosure - DERIVATIVES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureDerivatives</Role>
      <ShortName>DERIVATIVES</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>1130 - Disclosure - OTHER COMPREHENSIVE INCOME (LOSS)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureOtherComprehensiveIncomeLoss</Role>
      <ShortName>OTHER COMPREHENSIVE INCOME (LOSS)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>1140 - Disclosure - BUSINESS COMBINATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureBusinessCombinations</Role>
      <ShortName>BUSINESS COMBINATIONS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>1150 - Disclosure - RECENT ACCOUNTING PRONOUNCEMENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureRecentAccountingPronouncements</Role>
      <ShortName>RECENT ACCOUNTING PRONOUNCEMENTS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>1160 - Disclosure - SUBSEQUENT EVENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureSubsequentEvents</Role>
      <ShortName>SUBSEQUENT EVENTS</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>3020 - Disclosure - EARNINGS PER SHARE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureEarningsPerShareTables</Role>
      <ShortName>EARNINGS PER SHARE (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>3030 - Disclosure - STOCK BASED COMPENSATION PLANS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureStockBasedCompensationPlansTables</Role>
      <ShortName>STOCK BASED COMPENSATION PLANS (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>3040 - Disclosure - SECURITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureSecuritiesTables</Role>
      <ShortName>SECURITIES (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>3050 - Disclosure - ESTIMATED FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureEstimatedFairValueOfFinancialInstrumentsTables</Role>
      <ShortName>ESTIMATED FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>3060 - Disclosure - LOANS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureLoansTables</Role>
      <ShortName>LOANS (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>3070 - Disclosure - ALLOWANCE FOR LOAN LOSSES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureAllowanceForLoanLossesTables</Role>
      <ShortName>ALLOWANCE FOR LOAN LOSSES (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>3080 - Disclosure - EMPLOYEE BENEFITS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureEmployeeBenefitsTables</Role>
      <ShortName>EMPLOYEE BENEFITS (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>3090 - Disclosure - SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureSecuritiesSoldUnderAgreementsToRepurchaseTables</Role>
      <ShortName>SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>3120 - Disclosure - DERIVATIVES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureDerivativesTables</Role>
      <ShortName>DERIVATIVES (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>3130 - Disclosure - OTHER COMPREHENSIVE INCOME (LOSS) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureOtherComprehensiveIncomeLossTables</Role>
      <ShortName>OTHER COMPREHENSIVE INCOME (LOSS) (Tables)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>4020 - Disclosure - EARNINGS PER SHARE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureEarningsPerShareDetails</Role>
      <ShortName>EARNINGS PER SHARE (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>4030 - Disclosure - STOCK BASED COMPENSATION PLANS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureStockBasedCompensationPlansDetails</Role>
      <ShortName>STOCK BASED COMPENSATION PLANS (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>4031 - Disclosure - STOCK BASED COMPENSATION PLANS (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureStockBasedCompensationPlansDetails2</Role>
      <ShortName>STOCK BASED COMPENSATION PLANS (Details 2)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>4032 - Disclosure - STOCK BASED COMPENSATION PLANS (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureStockBasedCompensationPlansDetails3</Role>
      <ShortName>STOCK BASED COMPENSATION PLANS (Details 3)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>4033 - Disclosure - STOCK BASED COMPENSATION PLANS (Details 4)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureStockBasedCompensationPlansDetails4</Role>
      <ShortName>STOCK BASED COMPENSATION PLANS (Details 4)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>4040 - Disclosure - SECURITIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureSecuritiesDetails</Role>
      <ShortName>SECURITIES (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>4041 - Disclosure - SECURITIES (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureSecuritiesDetails2</Role>
      <ShortName>SECURITIES (Details 2)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>4042 - Disclosure - SECURITIES (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureSecuritiesDetails3</Role>
      <ShortName>SECURITIES (Details 3)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>4050 - Disclosure - ESTIMATED FAIR VALUE OF FINANCIAL INSTRUMENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureEstimatedFairValueOfFinancialInstrumentsDetails</Role>
      <ShortName>ESTIMATED FAIR VALUE OF FINANCIAL INSTRUMENTS (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>4051 - Disclosure - ESTIMATED FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureEstimatedFairValueOfFinancialInstrumentsDetails2</Role>
      <ShortName>ESTIMATED FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 2)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>4052 - Disclosure - ESTIMATED FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureEstimatedFairValueOfFinancialInstrumentsDetails3</Role>
      <ShortName>ESTIMATED FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 3)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>4060 - Disclosure - LOANS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureLoansDetails</Role>
      <ShortName>LOANS (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>4061 - Disclosure - LOANS (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureLoansDetails2</Role>
      <ShortName>LOANS (Details 2)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>4062 - Disclosure - LOANS (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureLoansDetails3</Role>
      <ShortName>LOANS (Details 3)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>4063 - Disclosure - LOANS (Details 4)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureLoansDetails4</Role>
      <ShortName>LOANS (Details 4)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>4064 - Disclosure - LOANS (Details 5)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureLoansDetails5</Role>
      <ShortName>LOANS (Details 5)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>4070 - Disclosure - ALLOWANCE FOR LOAN LOSSES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureAllowanceForLoanLossesDetails</Role>
      <ShortName>ALLOWANCE FOR LOAN LOSSES (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>4080 - Disclosure - EMPLOYEE BENEFITS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureEmployeeBenefitsDetails</Role>
      <ShortName>EMPLOYEE BENEFITS (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>4090 - Disclosure - SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureSecuritiesSoldUnderAgreementsToRepurchaseDetails</Role>
      <ShortName>SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>4100 - Disclosure - FEDERAL HOME LOAN BANK ADVANCES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureFederalHomeLoanBankAdvancesDetails</Role>
      <ShortName>FEDERAL HOME LOAN BANK ADVANCES (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>4110 - Disclosure - JUNIOR SUBORDINATED DEBENTURES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureJuniorSubordinatedDebenturesDetails</Role>
      <ShortName>JUNIOR SUBORDINATED DEBENTURES (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>4120 - Disclosure - DERIVATIVES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureDerivativesDetails</Role>
      <ShortName>DERIVATIVES (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>4121 - Disclosure - DERIVATIVES (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureDerivativesDetails2</Role>
      <ShortName>DERIVATIVES (Details 2)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>4122 - Disclosure - DERIVATIVES (Details 3)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureDerivativesDetails3</Role>
      <ShortName>DERIVATIVES (Details 3)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>4130 - Disclosure - OTHER COMPREHENSIVE INCOME (LOSS) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureOtherComprehensiveIncomeLossDetails</Role>
      <ShortName>OTHER COMPREHENSIVE INCOME (LOSS) (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>4131 - Disclosure - OTHER COMPREHENSIVE INCOME (LOSS) (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureOtherComprehensiveIncomeLossDetails2</Role>
      <ShortName>OTHER COMPREHENSIVE INCOME (LOSS) (Details 2)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>4140 - Disclosure - BUSINESS COMBINATIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureBusinessCombinationsDetails</Role>
      <ShortName>BUSINESS COMBINATIONS (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>4160 - Disclosure - SUBSEQUENT EVENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.bridgenb.com/role/DisclosureSubsequentEventsDetails</Role>
      <ShortName>SUBSEQUENT EVENTS (Details)</ShortName>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Info">Element us-gaap_AvailableForSaleSecuritiesGrossRealizedGains had a mix of decimals attribute values: -5 -4.</Log>
    <Log type="Info">Element us-gaap_DefinedBenefitPlanContributionsByEmployer had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_DerivativeAssetNotionalAmount had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_ProceedsFromIssuanceOfCommonStock had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_ProvisionForLoanAndLeaseLosses had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_SecuritiesSoldUnderAgreementsToRepurchase had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">'Shares' elements on report '4020 - Disclosure - EARNINGS PER SHARE (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4020 - Disclosure - EARNINGS PER SHARE (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4042 - Disclosure - SECURITIES (Details 3)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4060 - Disclosure - LOANS (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4064 - Disclosure - LOANS (Details 5)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4080 - Disclosure - EMPLOYEE BENEFITS (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4090 - Disclosure - SECURITIES SOLD UNDER AGREEMENTS TO REPURCHASE (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4110 - Disclosure - JUNIOR SUBORDINATED DEBENTURES (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4120 - Disclosure - DERIVATIVES (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4160 - Disclosure - SUBSEQUENT EVENTS (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 0010 - Statement - Consolidated Balance Sheets</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Jun. 30, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Sep. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Jun. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2011'</Log>
    <Log type="Info">Process Flow-Through: 0015 - Statement - Consolidated Balance Sheets (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 0020 - Statement - Consolidated Statements of Income</Log>
    <Log type="Info">Process Flow-Through: 0030 - Statement - Consolidated Statements of Comprehensive Income (Loss)</Log>
    <Log type="Info">Process Flow-Through: 0045 - Statement - Consolidated Statements of Stockholders' Equity (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 0050 - Statement - Consolidated Statements of Cash Flows</Log>
  </Logs>
  <InputFiles>
    <File>bdge-20130930.xml</File>
    <File>bdge-20130930.xsd</File>
    <File>bdge-20130930_cal.xml</File>
    <File>bdge-20130930_def.xml</File>
    <File>bdge-20130930_lab.xml</File>
    <File>bdge-20130930_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
