3.3.0.814 html 534 391 1 true 91 0 false 4 false false R1.htm 101 - Document - Document And Entity Information Sheet http://www.nvsl.com/role/DocumentAndEntityInformation Document And Entity Information Cover 1 false false R2.htm 102 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION Sheet http://www.nvsl.com/role/ConsolidatedStatementsOfFinancialCondition CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION Statements 2 false false R3.htm 103 - Statement - CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) Sheet http://www.nvsl.com/role/ConsolidatedStatementsOfFinancialConditionParenthetical CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) Statements 3 false false R4.htm 104 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS Sheet http://www.nvsl.com/role/ConsolidatedStatementsOfOperations CONSOLIDATED STATEMENTS OF OPERATIONS Statements 4 false false R5.htm 105 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Sheet http://www.nvsl.com/role/ConsolidatedStatementsOfComprehensiveIncomeLoss CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Statements 5 false false R6.htm 106 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY Sheet http://www.nvsl.com/role/ConsolidatedStatementsOfChangesInStockholdersEquity CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY Statements 6 false false R7.htm 107 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS Sheet http://www.nvsl.com/role/ConsolidatedStatementsOfCashFlows CONSOLIDATED STATEMENTS OF CASH FLOWS Statements 7 false false R8.htm 108 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION Sheet http://www.nvsl.com/role/DescriptionOfBusinessAndBasisOfPresentation DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION Notes 8 false false R9.htm 109 - Disclosure - INVESTMENT SECURITIES Sheet http://www.nvsl.com/role/InvestmentSecurities INVESTMENT SECURITIES Notes 9 false false R10.htm 110 - Disclosure - LOANS RECEIVABLE Sheet http://www.nvsl.com/role/LoansReceivable LOANS RECEIVABLE Notes 10 false false R11.htm 111 - Disclosure - MORTGAGE BANKING ACTIVITY Sheet http://www.nvsl.com/role/MortgageBankingActivity MORTGAGE BANKING ACTIVITY Notes 11 false false R12.htm 112 - Disclosure - FORECLOSED REAL ESTATE Sheet http://www.nvsl.com/role/ForeclosedRealEstate FORECLOSED REAL ESTATE Notes 12 false false R13.htm 113 - Disclosure - DEPOSITS Sheet http://www.nvsl.com/role/Deposits DEPOSITS Notes 13 false false R14.htm 114 - Disclosure - FHLB ADVANCES Sheet http://www.nvsl.com/role/FhlbAdvances FHLB ADVANCES Notes 14 false false R15.htm 115 - Disclosure - OTHER BORROWED FUNDS Sheet http://www.nvsl.com/role/OtherBorrowedFunds OTHER BORROWED FUNDS Notes 15 false false R16.htm 116 - Disclosure - STOCK BASED COMPENSATION Sheet http://www.nvsl.com/role/StockBasedCompensation STOCK BASED COMPENSATION Notes 16 false false R17.htm 117 - Disclosure - STOCKHOLDERS' EQUITY Sheet http://www.nvsl.com/role/StockholdersEquity STOCKHOLDERS' EQUITY Notes 17 false false R18.htm 118 - Disclosure - REGULATORY CAPITAL REQUIREMENTS Sheet http://www.nvsl.com/role/RegulatoryCapitalRequirements REGULATORY CAPITAL REQUIREMENTS Notes 18 false false R19.htm 119 - Disclosure - FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK Sheet http://www.nvsl.com/role/FinancialInstrumentsWithOffbalancesheetRisk FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK Notes 19 false false R20.htm 120 - Disclosure - FAIR VALUE Sheet http://www.nvsl.com/role/FairValue FAIR VALUE Notes 20 false false R21.htm 121 - Disclosure - SUBSEQUENT EVENT Sheet http://www.nvsl.com/role/SubsequentEvent SUBSEQUENT EVENT Notes 21 false false R22.htm 122 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Policies) Sheet http://www.nvsl.com/role/DescriptionOfBusinessAndBasisOfPresentationPolicies DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Policies) Policies 22 false false R23.htm 123 - Disclosure - INVESTMENT SECURITIES (Tables) Sheet http://www.nvsl.com/role/InvestmentSecuritiesTables INVESTMENT SECURITIES (Tables) Tables http://www.nvsl.com/role/InvestmentSecurities 23 false false R24.htm 124 - Disclosure - LOANS RECEIVABLE (Tables) Sheet http://www.nvsl.com/role/LoansReceivableTables LOANS RECEIVABLE (Tables) Tables http://www.nvsl.com/role/LoansReceivable 24 false false R25.htm 125 - Disclosure - MORTGAGE BANKING ACTIVITY (Tables) Sheet http://www.nvsl.com/role/MortgageBankingActivityTables MORTGAGE BANKING ACTIVITY (Tables) Tables http://www.nvsl.com/role/MortgageBankingActivity 25 false false R26.htm 126 - Disclosure - FORECLOSED REAL ESTATE (Tables) Sheet http://www.nvsl.com/role/ForeclosedRealEstateTables FORECLOSED REAL ESTATE (Tables) Tables http://www.nvsl.com/role/ForeclosedRealEstate 26 false false R27.htm 127 - Disclosure - DEPOSITS (Tables) Sheet http://www.nvsl.com/role/DepositsTables DEPOSITS (Tables) Tables http://www.nvsl.com/role/Deposits 27 false false R28.htm 128 - Disclosure - FHLB ADVANCES (Tables) Sheet http://www.nvsl.com/role/FhlbAdvancesTables FHLB ADVANCES (Tables) Tables http://www.nvsl.com/role/FhlbAdvances 28 false false R29.htm 129 - Disclosure - STOCK BASED COMPENSATION (Tables) Sheet http://www.nvsl.com/role/StockBasedCompensationTables STOCK BASED COMPENSATION (Tables) Tables http://www.nvsl.com/role/StockBasedCompensation 29 false false R30.htm 130 - Disclosure - STOCKHOLDERS' EQUITY (Tables) Sheet http://www.nvsl.com/role/StockholdersEquityTables STOCKHOLDERS' EQUITY (Tables) Tables http://www.nvsl.com/role/StockholdersEquity 30 false false R31.htm 131 - Disclosure - REGULATORY CAPITAL REQUIREMENTS (Tables) Sheet http://www.nvsl.com/role/RegulatoryCapitalRequirementsTables REGULATORY CAPITAL REQUIREMENTS (Tables) Tables http://www.nvsl.com/role/RegulatoryCapitalRequirements 31 false false R32.htm 132 - Disclosure - FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK (Tables) Sheet http://www.nvsl.com/role/FinancialInstrumentsWithOffbalancesheetRiskTables FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK (Tables) Tables http://www.nvsl.com/role/FinancialInstrumentsWithOffbalancesheetRisk 32 false false R33.htm 133 - Disclosure - FAIR VALUE (Tables) Sheet http://www.nvsl.com/role/FairValueTables FAIR VALUE (Tables) Tables http://www.nvsl.com/role/FairValue 33 false false R34.htm 134 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Details Textual) Sheet http://www.nvsl.com/role/DescriptionOfBusinessAndBasisOfPresentationDetailsTextual DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Details Textual) Details http://www.nvsl.com/role/DescriptionOfBusinessAndBasisOfPresentationPolicies 34 false false R35.htm 135 - Disclosure - INVESTMENT SECURITIES (Details) Sheet http://www.nvsl.com/role/InvestmentSecuritiesDetails INVESTMENT SECURITIES (Details) Details http://www.nvsl.com/role/InvestmentSecuritiesTables 35 false false R36.htm 136 - Disclosure - INVESTMENT SECURITIES (Details 1) Sheet http://www.nvsl.com/role/InvestmentSecuritiesDetails1 INVESTMENT SECURITIES (Details 1) Details http://www.nvsl.com/role/InvestmentSecuritiesTables 36 false false R37.htm 137 - Disclosure - INVESTMENT SECURITIES (Details 2) Sheet http://www.nvsl.com/role/InvestmentSecuritiesDetails2 INVESTMENT SECURITIES (Details 2) Details http://www.nvsl.com/role/InvestmentSecuritiesTables 37 false false R38.htm 138 - Disclosure - INVESTMENT SECURITIES (Details 3) Sheet http://www.nvsl.com/role/InvestmentSecuritiesDetails3 INVESTMENT SECURITIES (Details 3) Details http://www.nvsl.com/role/InvestmentSecuritiesTables 38 false false R39.htm 139 - Disclosure - INVESTMENT SECURITIES (Details Textual) Sheet http://www.nvsl.com/role/InvestmentSecuritiesDetailsTextual INVESTMENT SECURITIES (Details Textual) Details http://www.nvsl.com/role/InvestmentSecuritiesTables 39 false false R40.htm 140 - Disclosure - LOANS RECEIVABLE (Details) Sheet http://www.nvsl.com/role/LoansReceivableDetails LOANS RECEIVABLE (Details) Details http://www.nvsl.com/role/LoansReceivableTables 40 false false R41.htm 141 - Disclosure - LOANS RECEIVABLE (Details 1) Sheet http://www.nvsl.com/role/LoansReceivableDetails1 LOANS RECEIVABLE (Details 1) Details http://www.nvsl.com/role/LoansReceivableTables 41 false false R42.htm 142 - Disclosure - LOANS RECEIVABLE (Details 2) Sheet http://www.nvsl.com/role/LoansReceivableDetails2 LOANS RECEIVABLE (Details 2) Details http://www.nvsl.com/role/LoansReceivableTables 42 false false R43.htm 143 - Disclosure - LOANS RECEIVABLE (Details 3) Sheet http://www.nvsl.com/role/LoansReceivableDetails3 LOANS RECEIVABLE (Details 3) Details http://www.nvsl.com/role/LoansReceivableTables 43 false false R44.htm 144 - Disclosure - LOANS RECEIVABLE (Details 4) Sheet http://www.nvsl.com/role/LoansReceivableDetails4 LOANS RECEIVABLE (Details 4) Details http://www.nvsl.com/role/LoansReceivableTables 44 false false R45.htm 145 - Disclosure - LOANS RECEIVABLE (Details 5) Sheet http://www.nvsl.com/role/LoansReceivableDetails5 LOANS RECEIVABLE (Details 5) Details http://www.nvsl.com/role/LoansReceivableTables 45 false false R46.htm 146 - Disclosure - LOANS RECEIVABLE (Details 6) Sheet http://www.nvsl.com/role/LoansReceivableDetails6 LOANS RECEIVABLE (Details 6) Details http://www.nvsl.com/role/LoansReceivableTables 46 false false R47.htm 147 - Disclosure - LOANS RECEIVABLE (Details 7) Sheet http://www.nvsl.com/role/LoansReceivableDetails7 LOANS RECEIVABLE (Details 7) Details http://www.nvsl.com/role/LoansReceivableTables 47 false false R48.htm 148 - Disclosure - LOANS RECEIVABLE (Details 8) Sheet http://www.nvsl.com/role/LoansReceivableDetails8 LOANS RECEIVABLE (Details 8) Details http://www.nvsl.com/role/LoansReceivableTables 48 false false R49.htm 149 - Disclosure - LOANS RECEIVABLE (Details Textual) Sheet http://www.nvsl.com/role/LoansReceivableDetailsTextual LOANS RECEIVABLE (Details Textual) Details http://www.nvsl.com/role/LoansReceivableTables 49 false false R50.htm 150 - Disclosure - MORTGAGE BANKING ACTIVITY (Details) Sheet http://www.nvsl.com/role/MortgageBankingActivityDetails MORTGAGE BANKING ACTIVITY (Details) Details http://www.nvsl.com/role/MortgageBankingActivityTables 50 false false R51.htm 151 - Disclosure - MORTGAGE BANKING ACTIVITY (Details Textual) Sheet http://www.nvsl.com/role/MortgageBankingActivityDetailsTextual MORTGAGE BANKING ACTIVITY (Details Textual) Details http://www.nvsl.com/role/MortgageBankingActivityTables 51 false false R52.htm 152 - Disclosure - FORECLOSED REAL ESTATE (Details) Sheet http://www.nvsl.com/role/ForeclosedRealEstateDetails FORECLOSED REAL ESTATE (Details) Details http://www.nvsl.com/role/ForeclosedRealEstateTables 52 false false R53.htm 153 - Disclosure - FORECLOSED REAL ESTATE (Details Textual) Sheet http://www.nvsl.com/role/ForeclosedRealEstateDetailsTextual FORECLOSED REAL ESTATE (Details Textual) Details http://www.nvsl.com/role/ForeclosedRealEstateTables 53 false false R54.htm 154 - Disclosure - DEPOSITS (Details) Sheet http://www.nvsl.com/role/DepositsDetails DEPOSITS (Details) Details http://www.nvsl.com/role/DepositsTables 54 false false R55.htm 155 - Disclosure - DEPOSITS (Details 1) Sheet http://www.nvsl.com/role/DepositsDetails1 DEPOSITS (Details 1) Details http://www.nvsl.com/role/DepositsTables 55 false false R56.htm 156 - Disclosure - DEPOSITS (Details Textual) Sheet http://www.nvsl.com/role/DepositsDetailsTextual DEPOSITS (Details Textual) Details http://www.nvsl.com/role/DepositsTables 56 false false R57.htm 157 - Disclosure - FHLB ADVANCES (Details) Sheet http://www.nvsl.com/role/FhlbAdvancesDetails FHLB ADVANCES (Details) Details http://www.nvsl.com/role/FhlbAdvancesTables 57 false false R58.htm 158 - Disclosure - FHLB ADVANCES (Details Textual) Sheet http://www.nvsl.com/role/FhlbAdvancesDetailsTextual FHLB ADVANCES (Details Textual) Details http://www.nvsl.com/role/FhlbAdvancesTables 58 false false R59.htm 159 - Disclosure - OTHER BORROWED FUNDS (Details Textual) Sheet http://www.nvsl.com/role/OtherBorrowedFundsDetailsTextual OTHER BORROWED FUNDS (Details Textual) Details http://www.nvsl.com/role/OtherBorrowedFunds 59 false false R60.htm 160 - Disclosure - STOCK BASED COMPENSATION (Details) Sheet http://www.nvsl.com/role/StockBasedCompensationDetails STOCK BASED COMPENSATION (Details) Details http://www.nvsl.com/role/StockBasedCompensationTables 60 false false R61.htm 161 - Disclosure - STOCK BASED COMPENSATION (Details 1) Sheet http://www.nvsl.com/role/StockBasedCompensationDetails1 STOCK BASED COMPENSATION (Details 1) Details http://www.nvsl.com/role/StockBasedCompensationTables 61 false false R62.htm 162 - Disclosure - STOCK BASED COMPENSATION (Details 2) Sheet http://www.nvsl.com/role/StockBasedCompensationDetails2 STOCK BASED COMPENSATION (Details 2) Details http://www.nvsl.com/role/StockBasedCompensationTables 62 false false R63.htm 163 - Disclosure - STOCK BASED COMPENSATION (Details 3) Sheet http://www.nvsl.com/role/StockBasedCompensationDetails3 STOCK BASED COMPENSATION (Details 3) Details http://www.nvsl.com/role/StockBasedCompensationTables 63 false false R64.htm 164 - Disclosure - STOCK BASED COMPENSATION (Details Textual) Sheet http://www.nvsl.com/role/StockBasedCompensationDetailsTextual STOCK BASED COMPENSATION (Details Textual) Details http://www.nvsl.com/role/StockBasedCompensationTables 64 false false R65.htm 165 - Disclosure - STOCKHOLDERS' EQUITY (Details) Sheet http://www.nvsl.com/role/StockholdersEquityDetails STOCKHOLDERS' EQUITY (Details) Details http://www.nvsl.com/role/StockholdersEquityTables 65 false false R66.htm 166 - Disclosure - STOCKHOLDERS' EQUITY (Details Textual) Sheet http://www.nvsl.com/role/StockholdersEquityDetailsTextual STOCKHOLDERS' EQUITY (Details Textual) Details http://www.nvsl.com/role/StockholdersEquityTables 66 false false R67.htm 167 - Disclosure - REGULATORY CAPITAL REQUIREMENTS (Details) Sheet http://www.nvsl.com/role/RegulatoryCapitalRequirementsDetails REGULATORY CAPITAL REQUIREMENTS (Details) Details http://www.nvsl.com/role/RegulatoryCapitalRequirementsTables 67 false false R68.htm 168 - Disclosure - REGULATORY CAPITAL REQUIREMENTS (Details Textual) Sheet http://www.nvsl.com/role/RegulatoryCapitalRequirementsDetailsTextual REGULATORY CAPITAL REQUIREMENTS (Details Textual) Details http://www.nvsl.com/role/RegulatoryCapitalRequirementsTables 68 false false R69.htm 169 - Disclosure - FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK (Details) Sheet http://www.nvsl.com/role/FinancialInstrumentsWithOffbalancesheetRiskDetails FINANCIAL INSTRUMENTS WITH OFF-BALANCE-SHEET RISK (Details) Details http://www.nvsl.com/role/FinancialInstrumentsWithOffbalancesheetRiskTables 69 false false R70.htm 170 - Disclosure - FAIR VALUE (Details) Sheet http://www.nvsl.com/role/FairValueDetails FAIR VALUE (Details) Details http://www.nvsl.com/role/FairValueTables 70 false false R71.htm 171 - Disclosure - FAIR VALUE (Details 1) Sheet http://www.nvsl.com/role/FairValueDetails1 FAIR VALUE (Details 1) Details http://www.nvsl.com/role/FairValueTables 71 false false R72.htm 172 - Disclosure - FAIR VALUE (Details 2) Sheet http://www.nvsl.com/role/FairValueDetails2 FAIR VALUE (Details 2) Details http://www.nvsl.com/role/FairValueTables 72 false false R73.htm 173 - Disclosure - FAIR VALUE (Details Textual) Sheet http://www.nvsl.com/role/FairValueDetailsTextual FAIR VALUE (Details Textual) Details http://www.nvsl.com/role/FairValueTables 73 false false R74.htm 174 - Disclosure - SUBSEQUENT EVENT (Details Textual) Sheet http://www.nvsl.com/role/SubsequentEventDetailsTextual SUBSEQUENT EVENT (Details Textual) Details http://www.nvsl.com/role/SubsequentEvent 74 false false All Reports Book All Reports In ''CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION'', column(s) 2, 4, 5, 6 are contained in other reports, so were removed by flow through suppression. In ''CONSOLIDATED STATEMENTS OF CASH FLOWS'', column(s) 1, 2 are contained in other reports, so were removed by flow through suppression. nvsl-20150930.xml nvsl-20150930_cal.xml nvsl-20150930_def.xml nvsl-20150930_lab.xml nvsl-20150930_pre.xml nvsl-20150930.xsd true true