3.3.0.814 html 395 417 1 false 80 0 false 7 false false R1.htm 00090 - Document - Document And Entity Information Sheet http://www.greenbank.com/role/DocumentDocumentAndEntityInformation Document And Entity Information Cover 1 false false R2.htm 00100 - Statement - Consolidated Balance Sheet Sheet http://www.greenbank.com/role/StatementConsolidatedBalanceSheet Consolidated Balance Sheet Statements 2 false false R3.htm 00105 - Statement - Consolidated Balance Sheet (Parenthetical) Sheet http://www.greenbank.com/role/StatementConsolidatedBalanceSheetParenthetical Consolidated Balance Sheet (Parenthetical) Statements 3 false false R4.htm 00200 - Statement - Consolidated Statements of Income Sheet http://www.greenbank.com/role/StatementConsolidatedStatementsOfIncome Consolidated Statements of Income Statements 4 false false R5.htm 00300 - Statement - Consolidated Statements Of Comprehensive Income Sheet http://www.greenbank.com/role/StatementConsolidatedStatementsOfComprehensiveIncome Consolidated Statements Of Comprehensive Income Statements 5 false false R6.htm 00400 - Statement - Consolidated Statement of Changes in Shareholders' Equity Sheet http://www.greenbank.com/role/StatementConsolidatedStatementOfChangesInShareholdersEquity Consolidated Statement of Changes in Shareholders' Equity Statements 6 false false R7.htm 00405 - Statement - Consolidated Statement of Changes in Shareholders' Equity (Parenthetical) Sheet http://www.greenbank.com/role/StatementConsolidatedStatementOfChangesInShareholdersEquityParenthetical Consolidated Statement of Changes in Shareholders' Equity (Parenthetical) Statements 7 false false R8.htm 00500 - Statement - Consolidated Statement of Cash Flows Sheet http://www.greenbank.com/role/StatementConsolidatedStatementOfCashFlows Consolidated Statement of Cash Flows Statements 8 false false R9.htm 10101 - Disclosure - Basis Of Presentation Sheet http://www.greenbank.com/role/DisclosureBasisOfPresentation Basis Of Presentation Notes 9 false false R10.htm 10201 - Disclosure - Earnings Per Common Share Sheet http://www.greenbank.com/role/DisclosureEarningsPerCommonShare Earnings Per Common Share Notes 10 false false R11.htm 10301 - Disclosure - Recent Accounting Standards Sheet http://www.greenbank.com/role/DisclosureRecentAccountingStandards Recent Accounting Standards Notes 11 false false R12.htm 10401 - Disclosure - Acquisitions Sheet http://www.greenbank.com/role/DisclosureAcquisitions Acquisitions Notes 12 false false R13.htm 10501 - Disclosure - Cash and Cash Equivalents Sheet http://www.greenbank.com/role/DisclosureCashAndCashEquivalents Cash and Cash Equivalents Notes 13 false false R14.htm 10601 - Disclosure - Securities Sheet http://www.greenbank.com/role/DisclosureSecurities Securities Notes 14 false false R15.htm 10701 - Disclosure - Loans Sheet http://www.greenbank.com/role/DisclosureLoans Loans Notes 15 false false R16.htm 10801 - Disclosure - Allowance For Loan Losses Sheet http://www.greenbank.com/role/DisclosureAllowanceForLoanLosses Allowance For Loan Losses Notes 16 false false R17.htm 10901 - Disclosure - Premises and Equipment Sheet http://www.greenbank.com/role/DisclosurePremisesAndEquipment Premises and Equipment Notes 17 false false R18.htm 11001 - Disclosure - Goodwill and Core Deposit Intangibles Sheet http://www.greenbank.com/role/DisclosureGoodwillAndCoreDepositIntangibles Goodwill and Core Deposit Intangibles Notes 18 false false R19.htm 11101 - Disclosure - Deposits Sheet http://www.greenbank.com/role/DisclosureDeposits Deposits Notes 19 false false R20.htm 11201 - Disclosure - Other Borrowed Funds Sheet http://www.greenbank.com/role/DisclosureOtherBorrowedFunds Other Borrowed Funds Notes 20 false false R21.htm 11301 - Disclosure - Income Taxes Sheet http://www.greenbank.com/role/DisclosureIncomeTaxes Income Taxes Notes 21 false false R22.htm 11401 - Disclosure - Employee Benefits Sheet http://www.greenbank.com/role/DisclosureEmployeeBenefits Employee Benefits Notes 22 false false R23.htm 11501 - Disclosure - Off-Balance Sheet Arrangements, Commitments And Ccontingencies Sheet http://www.greenbank.com/role/DisclosureOffBalanceSheetArrangementsCommitmentsAndCcontingencies Off-Balance Sheet Arrangements, Commitments And Ccontingencies Notes 23 false false R24.htm 11601 - Disclosure - Derivative Financial Instruments Sheet http://www.greenbank.com/role/DisclosureDerivativeFinancialInstruments Derivative Financial Instruments Notes 24 false false R25.htm 11701 - Disclosure - Regulatory Matters Sheet http://www.greenbank.com/role/DisclosureRegulatoryMatters Regulatory Matters Notes 25 false false R26.htm 11801 - Disclosure - Disclosures About Fair Value of Financial Instruments Sheet http://www.greenbank.com/role/DisclosureDisclosuresAboutFairValueOfFinancialInstruments Disclosures About Fair Value of Financial Instruments Notes 26 false false R27.htm 11901 - Disclosure - Subsequent Events Sheet http://www.greenbank.com/role/DisclosureSubsequentEvents Subsequent Events Notes 27 false false R28.htm 20102 - Disclosure - Organization and Summary of Significant Accounting and Reporting Policies (Policies) Sheet http://www.greenbank.com/role/DisclosureOrganizationAndSummaryOfSignificantAccountingAndReportingPoliciesPolicies Organization and Summary of Significant Accounting and Reporting Policies (Policies) Policies http://www.greenbank.com/role/DisclosureRecentAccountingStandards 28 false false R29.htm 30203 - Disclosure - Earnings Per Common Share (Tables) Sheet http://www.greenbank.com/role/DisclosureEarningsPerCommonShareTables Earnings Per Common Share (Tables) Tables http://www.greenbank.com/role/DisclosureEarningsPerCommonShare 29 false false R30.htm 30603 - Disclosure - Securities (Tables) Sheet http://www.greenbank.com/role/DisclosureSecuritiesTables Securities (Tables) Tables http://www.greenbank.com/role/DisclosureSecurities 30 false false R31.htm 30703 - Disclosure - Loans (Tables) Sheet http://www.greenbank.com/role/DisclosureLoansTables Loans (Tables) Tables http://www.greenbank.com/role/DisclosureLoans 31 false false R32.htm 30803 - Disclosure - Allowance For Loan Losses (Tables) Sheet http://www.greenbank.com/role/DisclosureAllowanceForLoanLossesTables Allowance For Loan Losses (Tables) Tables http://www.greenbank.com/role/DisclosureAllowanceForLoanLosses 32 false false R33.htm 30903 - Disclosure - Premises and Equipment (Tables) Sheet http://www.greenbank.com/role/DisclosurePremisesAndEquipmentTables Premises and Equipment (Tables) Tables http://www.greenbank.com/role/DisclosurePremisesAndEquipment 33 false false R34.htm 31003 - Disclosure - Goodwill and Core Deposit Intangibles (Tables) Sheet http://www.greenbank.com/role/DisclosureGoodwillAndCoreDepositIntangiblesTables Goodwill and Core Deposit Intangibles (Tables) Tables http://www.greenbank.com/role/DisclosureGoodwillAndCoreDepositIntangibles 34 false false R35.htm 31103 - Disclosure - Deposits (Tables) Sheet http://www.greenbank.com/role/DisclosureDepositsTables Deposits (Tables) Tables http://www.greenbank.com/role/DisclosureDeposits 35 false false R36.htm 31203 - Disclosure - Other Borrowed Funds (Tables) Sheet http://www.greenbank.com/role/DisclosureOtherBorrowedFundsTables Other Borrowed Funds (Tables) Tables http://www.greenbank.com/role/DisclosureOtherBorrowedFunds 36 false false R37.htm 31503 - Disclosure - Off-Balance Sheet Arrangements, Commitments And Contingencies (Tables) Sheet http://www.greenbank.com/role/DisclosureOffBalanceSheetArrangementsCommitmentsAndContingenciesTables Off-Balance Sheet Arrangements, Commitments And Contingencies (Tables) Tables http://www.greenbank.com/role/DisclosureOffBalanceSheetArrangementsCommitmentsAndCcontingencies 37 false false R38.htm 31603 - Disclosure - Derivative Financial Instruments (Tables) Sheet http://www.greenbank.com/role/DisclosureDerivativeFinancialInstrumentsTables Derivative Financial Instruments (Tables) Tables http://www.greenbank.com/role/DisclosureDerivativeFinancialInstruments 38 false false R39.htm 31703 - Disclosure - Regulatory Matters (Tables) Sheet http://www.greenbank.com/role/DisclosureRegulatoryMattersTables Regulatory Matters (Tables) Tables http://www.greenbank.com/role/DisclosureRegulatoryMatters 39 false false R40.htm 31803 - Disclosure - Disclosures About Fair Value of Financial Instruments (Tables) Sheet http://www.greenbank.com/role/DisclosureDisclosuresAboutFairValueOfFinancialInstrumentsTables Disclosures About Fair Value of Financial Instruments (Tables) Tables http://www.greenbank.com/role/DisclosureDisclosuresAboutFairValueOfFinancialInstruments 40 false false R41.htm 40201 - Disclosure - Earnings Per Common Share (Details) Sheet http://www.greenbank.com/role/DisclosureEarningsPerCommonShareDetails Earnings Per Common Share (Details) Details http://www.greenbank.com/role/DisclosureEarningsPerCommonShareTables 41 false false R42.htm 40401 - Disclosure - Acquisitions (Details) Sheet http://www.greenbank.com/role/DisclosureAcquisitionsDetails Acquisitions (Details) Details http://www.greenbank.com/role/DisclosureAcquisitions 42 false false R43.htm 40501 - Disclosure - Cash and Cash Equivalents (Details) Sheet http://www.greenbank.com/role/DisclosureCashAndCashEquivalentsDetails Cash and Cash Equivalents (Details) Details http://www.greenbank.com/role/DisclosureCashAndCashEquivalents 43 false false R44.htm 40601 - Disclosure - Securities - Amortized Cost and Fair Value (Details) Sheet http://www.greenbank.com/role/DisclosureSecuritiesAmortizedCostAndFairValueDetails Securities - Amortized Cost and Fair Value (Details) Details 44 false false R45.htm 40602 - Disclosure - Securities - Contractual Maturities of Securities (Details 2) Sheet http://www.greenbank.com/role/DisclosureSecuritiesContractualMaturitiesOfSecuritiesDetails2 Securities - Contractual Maturities of Securities (Details 2) Details 45 false false R46.htm 40603 - Disclosure - Securities - Securities in Continuous Unrealized Loss Position (Details 3) Sheet http://www.greenbank.com/role/DisclosureSecuritiesSecuritiesInContinuousUnrealizedLossPositionDetails3 Securities - Securities in Continuous Unrealized Loss Position (Details 3) Details 46 false false R47.htm 40604 - Disclosure - Securities - Additional Information (Details 4) Sheet http://www.greenbank.com/role/DisclosureSecuritiesAdditionalInformationDetails4 Securities - Additional Information (Details 4) Details 47 false false R48.htm 40701 - Disclosure - Loans - Portfolio by Type and Class (Details) Sheet http://www.greenbank.com/role/DisclosureLoansPortfolioByTypeAndClassDetails Loans - Portfolio by Type and Class (Details) Details 48 false false R49.htm 40702 - Disclosure - Loans - Other (Details 2) Sheet http://www.greenbank.com/role/DisclosureLoansOtherDetails2 Loans - Other (Details 2) Details 49 false false R50.htm 40703 - Disclosure - Loans - Maturities and Rate Sensitivity (Details 3) Sheet http://www.greenbank.com/role/DisclosureLoansMaturitiesAndRateSensitivityDetails3 Loans - Maturities and Rate Sensitivity (Details 3) Details 50 false false R51.htm 40704 - Disclosure - Loans - Related Party Loans (Details 4) Sheet http://www.greenbank.com/role/DisclosureLoansRelatedPartyLoansDetails4 Loans - Related Party Loans (Details 4) Details 51 false false R52.htm 40705 - Disclosure - Loans - Acquired Loans (Details 5) Sheet http://www.greenbank.com/role/DisclosureLoansAcquiredLoansDetails5 Loans - Acquired Loans (Details 5) Details 52 false false R53.htm 40706 - Disclosure - Loans - Age Analysis of Loans (Details 6) Sheet http://www.greenbank.com/role/DisclosureLoansAgeAnalysisOfLoansDetails6 Loans - Age Analysis of Loans (Details 6) Details 53 false false R54.htm 40707 - Disclosure - Loans - Impaired Loans Summary (Details 7) Sheet http://www.greenbank.com/role/DisclosureLoansImpairedLoansSummaryDetails7 Loans - Impaired Loans Summary (Details 7) Details 54 false false R55.htm 40708 - Disclosure - Loans - Impaired Loans Individually Evaluated (Details 8) Sheet http://www.greenbank.com/role/DisclosureLoansImpairedLoansIndividuallyEvaluatedDetails8 Loans - Impaired Loans Individually Evaluated (Details 8) Details 55 false false R56.htm 40709 - Disclosure - Loans - Credit Quality (Details 9) Sheet http://www.greenbank.com/role/DisclosureLoansCreditQualityDetails9 Loans - Credit Quality (Details 9) Details 56 false false R57.htm 40710 - Disclosure - Loans - Troubled Debt Restructurings (Details 10) Sheet http://www.greenbank.com/role/DisclosureLoansTroubledDebtRestructuringsDetails10 Loans - Troubled Debt Restructurings (Details 10) Details 57 false false R58.htm 40801 - Disclosure - Allowance For Loan Losses (Details) Sheet http://www.greenbank.com/role/DisclosureAllowanceForLoanLossesDetails Allowance For Loan Losses (Details) Details http://www.greenbank.com/role/DisclosureAllowanceForLoanLossesTables 58 false false R59.htm 40901 - Disclosure - Premises and Equipment (Details) Sheet http://www.greenbank.com/role/DisclosurePremisesAndEquipmentDetails Premises and Equipment (Details) Details http://www.greenbank.com/role/DisclosurePremisesAndEquipmentTables 59 false false R60.htm 41001 - Disclosure - Goodwill and Core Deposit Intangibles (Details) Sheet http://www.greenbank.com/role/DisclosureGoodwillAndCoreDepositIntangiblesDetails Goodwill and Core Deposit Intangibles (Details) Details http://www.greenbank.com/role/DisclosureGoodwillAndCoreDepositIntangiblesTables 60 false false R61.htm 41101 - Disclosure - Deposits (Details) Sheet http://www.greenbank.com/role/DisclosureDepositsDetails Deposits (Details) Details http://www.greenbank.com/role/DisclosureDepositsTables 61 false false R62.htm 41201 - Disclosure - Other Borrowed Funds (Details) Sheet http://www.greenbank.com/role/DisclosureOtherBorrowedFundsDetails Other Borrowed Funds (Details) Details http://www.greenbank.com/role/DisclosureOtherBorrowedFundsTables 62 false false R63.htm 41301 - Disclosure - Income Taxes (Details) Sheet http://www.greenbank.com/role/DisclosureIncomeTaxesDetails Income Taxes (Details) Details http://www.greenbank.com/role/DisclosureIncomeTaxes 63 false false R64.htm 41401 - Disclosure - Employee Benefits (Details) Sheet http://www.greenbank.com/role/DisclosureEmployeeBenefitsDetails Employee Benefits (Details) Details http://www.greenbank.com/role/DisclosureEmployeeBenefits 64 false false R65.htm 41402 - Disclosure - Employee Benefits - Restricted Stock Units (Details) Sheet http://www.greenbank.com/role/DisclosureEmployeeBenefitsRestrictedStockUnitsDetails Employee Benefits - Restricted Stock Units (Details) Details 65 false false R66.htm 41403 - Disclosure - Employee Benefits - Stock Appreciation Rigthts Plan (Details) Sheet http://www.greenbank.com/role/DisclosureEmployeeBenefitsStockAppreciationRigthtsPlanDetails Employee Benefits - Stock Appreciation Rigthts Plan (Details) Details 66 false false R67.htm 41404 - Disclosure - Employee Benefits - Benefit Plan (Details) Sheet http://www.greenbank.com/role/DisclosureEmployeeBenefitsBenefitPlanDetails Employee Benefits - Benefit Plan (Details) Details 67 false false R68.htm 41501 - Disclosure - Off-Balance Sheet Arrangements, Commitments And Contingencies (Details) Sheet http://www.greenbank.com/role/DisclosureOffBalanceSheetArrangementsCommitmentsAndContingenciesDetails Off-Balance Sheet Arrangements, Commitments And Contingencies (Details) Details http://www.greenbank.com/role/DisclosureOffBalanceSheetArrangementsCommitmentsAndContingenciesTables 68 false false R69.htm 41502 - Disclosure - Off-Balance Sheet Arrangements, Commitments And Contingencies - Leases (Details 2) Sheet http://www.greenbank.com/role/DisclosureOffBalanceSheetArrangementsCommitmentsAndContingenciesLeasesDetails2 Off-Balance Sheet Arrangements, Commitments And Contingencies - Leases (Details 2) Details http://www.greenbank.com/role/DisclosureOffBalanceSheetArrangementsCommitmentsAndContingenciesTables 69 false false R70.htm 41503 - Disclosure - Off-Balance Sheet Arrangements, Commitments And Contingencies - Litigation (Details 3) Sheet http://www.greenbank.com/role/DisclosureOffBalanceSheetArrangementsCommitmentsAndContingenciesLitigationDetails3 Off-Balance Sheet Arrangements, Commitments And Contingencies - Litigation (Details 3) Details http://www.greenbank.com/role/DisclosureOffBalanceSheetArrangementsCommitmentsAndContingenciesTables 70 false false R71.htm 41601 - Disclosure - Derivative Financial Instruments (Details) Sheet http://www.greenbank.com/role/DisclosureDerivativeFinancialInstrumentsDetails Derivative Financial Instruments (Details) Details http://www.greenbank.com/role/DisclosureDerivativeFinancialInstrumentsTables 71 false false R72.htm 41602 - Disclosure - Derivative Financial Instruments - Additional Information (Details 2) Sheet http://www.greenbank.com/role/DisclosureDerivativeFinancialInstrumentsAdditionalInformationDetails2 Derivative Financial Instruments - Additional Information (Details 2) Details 72 false false R73.htm 41701 - Disclosure - Regulatory Matters (Details) Sheet http://www.greenbank.com/role/DisclosureRegulatoryMattersDetails Regulatory Matters (Details) Details http://www.greenbank.com/role/DisclosureRegulatoryMattersTables 73 false false R74.htm 41801 - Disclosure - Disclosures About Fair Value of Financial Instruments - Recurring Basis (Details) Sheet http://www.greenbank.com/role/DisclosureDisclosuresAboutFairValueOfFinancialInstrumentsRecurringBasisDetails Disclosures About Fair Value of Financial Instruments - Recurring Basis (Details) Details 74 false false R75.htm 41802 - Disclosure - Disclosures About Fair Value of Financial Instruments - Nonrecurring Basis (Details 2) Sheet http://www.greenbank.com/role/DisclosureDisclosuresAboutFairValueOfFinancialInstrumentsNonrecurringBasisDetails2 Disclosures About Fair Value of Financial Instruments - Nonrecurring Basis (Details 2) Details 75 false false R76.htm 41803 - Disclosure - Disclosures About Fair Value of Financial Instruments - Balance Sheet Grouping (Details 3) Sheet http://www.greenbank.com/role/DisclosureDisclosuresAboutFairValueOfFinancialInstrumentsBalanceSheetGroupingDetails3 Disclosures About Fair Value of Financial Instruments - Balance Sheet Grouping (Details 3) Details 76 false false R77.htm 41901 - Disclosure - Subsequent Events (Details) Sheet http://www.greenbank.com/role/DisclosureSubsequentEventsDetails Subsequent Events (Details) Details http://www.greenbank.com/role/DisclosureSubsequentEvents 77 false false All Reports Book All Reports In ''Consolidated Balance Sheet'', column(s) 2, 4, 5, 6 are contained in other reports, so were removed by flow through suppression. In ''Consolidated Statement of Cash Flows'', column(s) 1, 2, 5 are contained in other reports, so were removed by flow through suppression. gnbc-20150930.xml gnbc-20150930_cal.xml gnbc-20150930_def.xml gnbc-20150930_lab.xml gnbc-20150930_pre.xml gnbc-20150930.xsd true true