2.4.0.8 Html 263 306 1 true 60 0 false 8 false false R1.htm 00090 - Document - Document And Entity Information Sheet http://www.bay.com/role/DocumentDocumentAndEntityInformation Document And Entity Information true false R2.htm 00100 - Statement - Consolidated Balance Sheets Sheet http://www.bay.com/role/StatementConsolidatedBalanceSheets Consolidated Balance Sheets false false R3.htm 00105 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.bay.com/role/StatementConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) false false R4.htm 00200 - Statement - Consolidated Statements Of Operations Sheet http://www.bay.com/role/StatementConsolidatedStatementsOfOperations Consolidated Statements Of Operations false false R5.htm 00300 - Statement - Consolidated Statement Of Comprehensive Income Sheet http://www.bay.com/role/StatementConsolidatedStatementOfComprehensiveIncome Consolidated Statement Of Comprehensive Income false false R6.htm 00400 - Statement - Consolidated Statement Of Changes In Stockholders' Equity And Comprehensive Income Sheet http://www.bay.com/role/StatementConsolidatedStatementOfChangesInStockholdersEquityAndComprehensiveIncome Consolidated Statement Of Changes In Stockholders' Equity And Comprehensive Income false false R7.htm 00405 - Statement - Consolidated Statement Of Changes In Stockholders' Equity And Comprehensive Income (Parenthetical) Sheet http://www.bay.com/role/StatementConsolidatedStatementOfChangesInStockholdersEquityAndComprehensiveIncomeParenthetical Consolidated Statement Of Changes In Stockholders' Equity And Comprehensive Income (Parenthetical) false false R8.htm 00500 - Statement - Consolidated Statements Of Cash Flows Sheet http://www.bay.com/role/StatementConsolidatedStatementsOfCashFlows Consolidated Statements Of Cash Flows false false R9.htm 10101 - Disclosure - Basis Of Presentation Sheet http://www.bay.com/role/DisclosureBasisOfPresentation Basis Of Presentation false false R10.htm 10201 - Disclosure - Use Of Estimates Sheet http://www.bay.com/role/DisclosureUseOfEstimates Use Of Estimates false false R11.htm 10301 - Disclosure - Earnings Per Share Sheet http://www.bay.com/role/DisclosureEarningsPerShare Earnings Per Share false false R12.htm 10401 - Disclosure - Recent Accounting Pronouncements Sheet http://www.bay.com/role/DisclosureRecentAccountingPronouncements Recent Accounting Pronouncements false false R13.htm 10501 - Disclosure - Fair Value Sheet http://www.bay.com/role/DisclosureFairValue Fair Value false false R14.htm 10601 - Disclosure - Investments Sheet http://www.bay.com/role/DisclosureInvestments Investments false false R15.htm 10701 - Disclosure - Loans Sheet http://www.bay.com/role/DisclosureLoans Loans false false R16.htm 10801 - Disclosure - Allowance For Loan Losses ("ALL") Sheet http://www.bay.com/role/DisclosureAllowanceForLoanLossesall Allowance For Loan Losses ("ALL") false false R17.htm 10901 - Disclosure - Other Real Estate Owned, Net Sheet http://www.bay.com/role/DisclosureOtherRealEstateOwnedNet Other Real Estate Owned, Net false false R18.htm 11001 - Disclosure - Income Taxes Sheet http://www.bay.com/role/DisclosureIncomeTaxes Income Taxes false false R19.htm 11101 - Disclosure - Equity Investment Sheet http://www.bay.com/role/DisclosureEquityInvestment Equity Investment false false R20.htm 11201 - Disclosure - Mortgage Servicing Rights Sheet http://www.bay.com/role/DisclosureMortgageServicingRights Mortgage Servicing Rights false false R21.htm 11301 - Disclosure - Promissory Notes Notes http://www.bay.com/role/DisclosurePromissoryNotes Promissory Notes false false R22.htm 11401 - Disclosure - Troubled Debt Restructuring Sheet http://www.bay.com/role/DisclosureTroubledDebtRestructuring Troubled Debt Restructuring false false R23.htm 11501 - Disclosure - Commitments And Contingencies Sheet http://www.bay.com/role/DisclosureCommitmentsAndContingencies Commitments And Contingencies false false R24.htm 30303 - Disclosure - Earnings Per Share (Tables) Sheet http://www.bay.com/role/DisclosureEarningsPerShareTables Earnings Per Share (Tables) false false R25.htm 30503 - Disclosure - Fair Value (Tables) Sheet http://www.bay.com/role/DisclosureFairValueTables Fair Value (Tables) false false R26.htm 30603 - Disclosure - Investments (Tables) Sheet http://www.bay.com/role/DisclosureInvestmentsTables Investments (Tables) false false R27.htm 30703 - Disclosure - Loans (Tables) Sheet http://www.bay.com/role/DisclosureLoansTables Loans (Tables) false false R28.htm 30803 - Disclosure - Allowance For Loan Losses ("ALL") (Tables) Sheet http://www.bay.com/role/DisclosureAllowanceForLoanLossesallTables Allowance For Loan Losses ("ALL") (Tables) false false R29.htm 30903 - Disclosure - Other Real Estate Owned, Net (Tables) Sheet http://www.bay.com/role/DisclosureOtherRealEstateOwnedNetTables Other Real Estate Owned, Net (Tables) false false R30.htm 31201 - Disclosure - Mortgage Servicing Rights (Tables) Sheet http://www.bay.com/role/DisclosureMortgageServicingRightsTables Mortgage Servicing Rights (Tables) false false R31.htm 31403 - Disclosure - Troubled Debt Restructuring (Tables) Sheet http://www.bay.com/role/DisclosureTroubledDebtRestructuringTables Troubled Debt Restructuring (Tables) false false R32.htm 31503 - Disclosure - Commitments And Contingencies (Tables) Sheet http://www.bay.com/role/DisclosureCommitmentsAndContingenciesTables Commitments And Contingencies (Tables) false false R33.htm 40301 - Disclosure - Earnings Per Share (Details) Sheet http://www.bay.com/role/DisclosureEarningsPerShareDetails Earnings Per Share (Details) false false R34.htm 40501 - Disclosure - Fair Value (Assets Measured At Fair Value On A Recurring Basis) (Details) Sheet http://www.bay.com/role/DisclosureFairValueAssetsMeasuredAtFairValueOnRecurringBasisDetails Fair Value (Assets Measured At Fair Value On A Recurring Basis) (Details) false false R35.htm 40502 - Disclosure - Fair Value (Assets Measured At Fair Value On A Recurring Basis Using Significant Unobservable Inputs) (Details) Sheet http://www.bay.com/role/DisclosureFairValueAssetsMeasuredAtFairValueOnRecurringBasisUsingSignificantUnobservableInputsDetails Fair Value (Assets Measured At Fair Value On A Recurring Basis Using Significant Unobservable Inputs) (Details) false false R36.htm 40503 - Disclosure - Fair Value (Assets Measured At Fair Value On A Non-Recurring Basis) (Details) Sheet http://www.bay.com/role/DisclosureFairValueAssetsMeasuredAtFairValueOnNonRecurringBasisDetails Fair Value (Assets Measured At Fair Value On A Non-Recurring Basis) (Details) false false R37.htm 40504 - Disclosure - Fair Value (Required Financial Disclosures About Fair Value Of Financial Instruments) (Details) Sheet http://www.bay.com/role/DisclosureFairValueRequiredFinancialDisclosuresAboutFairValueOfFinancialInstrumentsDetails Fair Value (Required Financial Disclosures About Fair Value Of Financial Instruments) (Details) false false R38.htm 40601 - Disclosure - Investments (Narrative) (Details) Sheet http://www.bay.com/role/DisclosureInvestmentsNarrativeDetails Investments (Narrative) (Details) false false R39.htm 40602 - Disclosure - Investments (Fair Value Of Securities Available For Sale And Related Unrealized Gains And Losses) (Details) Sheet http://www.bay.com/role/DisclosureInvestmentsFairValueOfSecuritiesAvailableForSaleAndRelatedUnrealizedGainsAndLossesDetails Investments (Fair Value Of Securities Available For Sale And Related Unrealized Gains And Losses) (Details) false false R40.htm 40603 - Disclosure - Investments (Securities In Unrealized Loss Positions Aggregated By Investment Category And Length Of Time In Loss Position) (Details) Sheet http://www.bay.com/role/DisclosureInvestmentsSecuritiesInUnrealizedLossPositionsAggregatedByInvestmentCategoryAndLengthOfTimeInLossPositionDetails Investments (Securities In Unrealized Loss Positions Aggregated By Investment Category And Length Of Time In Loss Position) (Details) false false R41.htm 40701 - Disclosure - Loans (Schedule Of Loans Held For Investment) (Details) Sheet http://www.bay.com/role/DisclosureLoansScheduleOfLoansHeldForInvestmentDetails Loans (Schedule Of Loans Held For Investment) (Details) false false R42.htm 40702 - Disclosure - Loans (Allowance For Loan Losses And Recorded Investment In Loans) (Details) Sheet http://www.bay.com/role/DisclosureLoansAllowanceForLoanLossesAndRecordedInvestmentInLoansDetails Loans (Allowance For Loan Losses And Recorded Investment In Loans) (Details) false false R43.htm 40703 - Disclosure - Loans (Schedule Of Past Due Loans) (Details) Sheet http://www.bay.com/role/DisclosureLoansScheduleOfPastDueLoansDetails Loans (Schedule Of Past Due Loans) (Details) false false R44.htm 40704 - Disclosure - Loans (Breakdown Of Loans By Risk Grading) (Details) Sheet http://www.bay.com/role/DisclosureLoansBreakdownOfLoansByRiskGradingDetails Loans (Breakdown Of Loans By Risk Grading) (Details) false false R45.htm 40801 - Disclosure - Allowance For Loan Losses ("ALL") (Schedule Of Information Regarding Impaired Loans) (Details) Sheet http://www.bay.com/role/DisclosureAllowanceForLoanLossesallScheduleOfInformationRegardingImpairedLoansDetails Allowance For Loan Losses ("ALL") (Schedule Of Information Regarding Impaired Loans) (Details) false false R46.htm 40802 - Disclosure - Allowance For Loan Losses ("ALL") (Schedule Of Nonperforming Loans) (Details) Sheet http://www.bay.com/role/DisclosureAllowanceForLoanLossesallScheduleOfNonperformingLoansDetails Allowance For Loan Losses ("ALL") (Schedule Of Nonperforming Loans) (Details) false false R47.htm 40901 - Disclosure - Other Real Estate Owned, Net (Summary Of Foreclosed Properties) (Details) Sheet http://www.bay.com/role/DisclosureOtherRealEstateOwnedNetSummaryOfForeclosedPropertiesDetails Other Real Estate Owned, Net (Summary Of Foreclosed Properties) (Details) false false R48.htm 40902 - Disclosure - Other Real Estate Owned, Net (Changes In The Valuation Allowance For Losses On Foreclosed Properties) (Details) Sheet http://www.bay.com/role/DisclosureOtherRealEstateOwnedNetChangesInValuationAllowanceForLossesOnForeclosedPropertiesDetails Other Real Estate Owned, Net (Changes In The Valuation Allowance For Losses On Foreclosed Properties) (Details) false false R49.htm 41001 - Disclosure - Income Taxes (Details) Sheet http://www.bay.com/role/DisclosureIncomeTaxesDetails Income Taxes (Details) false false R50.htm 41101 - Disclosure - Equity Investment (Details) Sheet http://www.bay.com/role/DisclosureEquityInvestmentDetails Equity Investment (Details) false false R51.htm 41201 - Disclosure - Mortgage Servicing Rights (Summary Of Changes In The Carrying Value Of MSRs) (Details) Sheet http://www.bay.com/role/DisclosureMortgageServicingRightsSummaryOfChangesInCarryingValueOfMsrsDetails Mortgage Servicing Rights (Summary Of Changes In The Carrying Value Of MSRs) (Details) false false R52.htm 41301 - Disclosure - Promissory Notes (Details) Notes http://www.bay.com/role/DisclosurePromissoryNotesDetails Promissory Notes (Details) false false R53.htm 41401 - Disclosure - Troubled Debt Restructuring (Schedule Of Accrual And Nonaccrual Status Of Troubled Debt Restructuring) (Details) Sheet http://www.bay.com/role/DisclosureTroubledDebtRestructuringScheduleOfAccrualAndNonaccrualStatusOfTroubledDebtRestructuringDetails Troubled Debt Restructuring (Schedule Of Accrual And Nonaccrual Status Of Troubled Debt Restructuring) (Details) false false R54.htm 41402 - Disclosure - Troubled Debt Restructuring (Summary Of Troubled Debt Restructurings) (Details) Sheet http://www.bay.com/role/DisclosureTroubledDebtRestructuringSummaryOfTroubledDebtRestructuringsDetails Troubled Debt Restructuring (Summary Of Troubled Debt Restructurings) (Details) false false R55.htm 41403 - Disclosure - Troubled Debt Restructuring (Summary Of Troubled Debt Restructurings By Restructure Type) (Details) Sheet http://www.bay.com/role/DisclosureTroubledDebtRestructuringSummaryOfTroubledDebtRestructuringsByRestructureTypeDetails Troubled Debt Restructuring (Summary Of Troubled Debt Restructurings By Restructure Type) (Details) false false R56.htm 41501 - Disclosure - Commitments And Contingencies (Details) Sheet http://www.bay.com/role/DisclosureCommitmentsAndContingenciesDetails Commitments And Contingencies (Details) false false All Reports Book All Reports Element us-gaap_ConvertibleNotesPayable had a mix of decimals attribute values: -4 -3. Element us-gaap_LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest had a mix of decimals attribute values: -5 -3. Element us-gaap_MarketableSecurities had a mix of decimals attribute values: -5 -3. 'Monetary' elements on report '40601 - Disclosure - Investments (Narrative) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '40701 - Disclosure - Loans (Schedule Of Loans Held For Investment) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '40704 - Disclosure - Loans (Breakdown Of Loans By Risk Grading) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '40802 - Disclosure - Allowance For Loan Losses ("ALL") (Schedule Of Nonperforming Loans) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '41201 - Disclosure - Mortgage Servicing Rights (Summary Of Changes In The Carrying Value Of MSRs) (Details)' had a mix of different decimal attribute values. 'Monetary' elements on report '41301 - Disclosure - Promissory Notes (Details)' had a mix of different decimal attribute values. Process Flow-Through: 00100 - Statement - Consolidated Balance Sheets Process Flow-Through: Removing column 'Jun. 30, 2013' Process Flow-Through: Removing column 'Dec. 31, 2012' Process Flow-Through: Removing column 'Dec. 31, 2010' Process Flow-Through: 00105 - Statement - Consolidated Balance Sheets (Parenthetical) Process Flow-Through: Removing column 'Dec. 31, 2012' Process Flow-Through: 00200 - Statement - Consolidated Statements Of Operations Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2013' Process Flow-Through: 00300 - Statement - Consolidated Statement Of Comprehensive Income Process Flow-Through: 00405 - Statement - Consolidated Statement Of Changes In Stockholders' Equity And Comprehensive Income (Parenthetical) Process Flow-Through: 00500 - Statement - Consolidated Statements Of Cash Flows Process Flow-Through: Removing column '12 Months Ended Dec. 31, 2013' bylk-20140630.xml bylk-20140630.xsd bylk-20140630_cal.xml bylk-20140630_def.xml bylk-20140630_lab.xml bylk-20140630_pre.xml true true