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This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 false2Stock option compensation expense14false 4us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayableus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-467271-467271falsefalsefalse2truefalsefalse-205437-205437falsefalsefalsexbrli:monetaryItemTypemonetaryThe increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 false2Changes in income taxes payable15false 4us-gaap_IncreaseDecreaseInOtherOperatingCapitalNetus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse11546741154674falsefalsefalse2truefalsefalse357497357497falsefalsefalsexbrli:monetaryItemTypemonetaryThe increase (decrease) during the reporting period in other assets used in operating activities less other operating liabilities used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets and liabilities, other noncurrent assets and liabilities, or a combination of other current and noncurrent assets and liabilities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 false2Changes in assets and liabilities16false 4jxsb_NetCashProvidedByOperationsBeforeLoanSalesjxsb_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse24841632484163falsefalsefalse2truefalsefalse18972221897222falsefalsefalsexbrli:monetaryItemTypemonetaryNet Cash Provided by Operations Before Loan SalesNo definition available.true2Net cash provided by operations before loan sales17false 3us-gaap_PaymentsForOriginationAndPurchasesOfLoansHeldForSaleus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-14825738-14825738falsefalsefalse2truefalsefalse-23066615-23066615falsefalsefalsexbrli:monetaryItemTypemonetaryThe aggregate amount of cash outflow for loans purchased and created with the intention to resell them in the near future.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3461-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 230 -Section 55 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6587932&loc=d3e60097-112785 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3367-108585 false2Origination of loans for sale to secondary market18false 3us-gaap_ProceedsFromSaleOfLoansHeldForSaleus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1495199714951997falsefalsefalse2truefalsefalse2308259923082599falsefalsefalsexbrli:monetaryItemTypemonetaryThe cash inflow resulting from the sale of loans classified as held-for-sale, including proceeds from loans sold through mortgage securitization.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3461-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 230 -Section 55 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6587932&loc=d3e60097-112785 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3337-108585 false2Proceeds from sales of loans to secondary market19false 3us-gaap_NetCashProvidedByUsedInOperatingActivitiesus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse26104222610422falsefalsefalse2truefalsefalse19132061913206falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 true2Net cash provided by operating activities20true 2us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0CASH FLOWS FROM INVESTING ACTIVITIES:21false 3us-gaap_PaymentsToAcquireMortgageBackedSecuritiesMBSCategorizedAsAvailableForSaleus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse-26942590-26942590falsefalsefalse2truefalsefalse-33802052-33802052falsefalsefalsexbrli:monetaryItemTypemonetaryThe cash outflow for the purchase of securities issued by a governmental agency or corporation (for example, GNMA or FHLMC) or by private issuers (for example, banks and mortgage banking enterprises) secured by and repaid from underlying mortgages, which were designated as available for sale when acquired.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 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interest-earning time deposits in other banks23false 3us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecuritiesus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse15000001500000falsefalsefalse2truefalsefalse73280007328000falsefalsefalsexbrli:monetaryItemTypemonetaryThe cash inflow associated with maturities (principal being due), prepayments and calls (requests of early payments) on securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 false2Maturity or call of investment securities available-for-sale24false 3us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1802163718021637falsefalsefalse2truefalsefalse1485432914854329falsefalsefalsexbrli:monetaryItemTypemonetaryThe cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef 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Foreclosed assets also include loans that are treated as if the underlying collateral had been foreclosed because the institution has taken possession of the collateral, even though legal foreclosure or repossession proceedings have not taken place.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 false2Proceeds from sale of real estate owned28false 3us-gaap_PaymentsForProceedsFromLoansAndLeasesus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsetruenegatedLabel1truefalsefalse48454844845484falsefalsefalse2truefalsefalse-1551536-1551536falsefalsefalsexbrli:monetaryItemTypemonetaryThe net cash outflow or inflow for the increase (decrease) in the beginning and end of period of loan and lease balances which are not originated or purchased specifically for resale. 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Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 true2Net cash provided by (used in) investing activities31true 2us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0CASH FLOWS FROM FINANCING ACTIVITIES:32false 3us-gaap_IncreaseDecreaseInDepositsus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-136245-136245falsefalsefalse2truefalsefalse73126877312687falsefalsefalsexbrli:monetaryItemTypemonetaryThe net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 230 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6477933&loc=d3e60009-112784 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3095-108585 false2Net increase (decrease) in deposits33false 3us-gaap_ProceedsFromRepaymentsOfOtherDebtus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse-5643553-5643553falsefalsefalse2truefalsefalse-408050-408050falsefalsefalsexbrli:monetaryItemTypemonetaryThe net cash inflow or outflow in other borrowings not otherwise defined in the taxonomy.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 false2Net decrease in other borrowings34false 3us-gaap_IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsuranceus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse9194291942falsefalsefalse2truefalsefalse212046212046falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of increase (decrease) in prepayments received from borrowers for taxes and insurance remitted to the appropriate tax authority or insurer on behalf of the borrower.No definition available.false2Increase in advance payments by borrowers for taxes and insurance35false 3us-gaap_ProceedsFromStockOptionsExercisedus-gaap_truedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse8689386893falsefalsefalse2truefalsefalse1549915499falsefalsefalsexbrli:monetaryItemTypemonetaryThe cash inflow associated with the amount received from holders exercising their stock options. 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