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Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2015 | Mar. 31, 2014
Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) [Abstract] |  |  |  |
Net income | $ 5,181 us-gaap_NetIncomeLoss | $ 4,144 us-gaap_NetIncomeLoss | $ 8,776 us-gaap_NetIncomeLoss | $ 8,146 us-gaap_NetIncomeLoss
Other comprehensive income (loss): |  |  |  |
Change in net unrealized gain (loss) on securities | 5,940 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax | 14,286 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax | 12,452 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax | 7,745 us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
Losses (gains) realized in net income | (17)us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet | (98)us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet | 1,243 us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet | (97)us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet
Total available for sale adjustment | 5,923 us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent | 14,188 us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent | 13,695 us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent | 7,648 us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentBeforeTaxPortionAttributableToParent
Deferred income tax effect | 2,189 us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent | 5,180 us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent | 5,024 us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent | 2,848 us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent
Total other comprehensive income (loss) | 3,734 us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | 9,008 us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | 8,671 us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent | 4,800 us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Total comprehensive income (loss) | $ 8,915 us-gaap_ComprehensiveIncomeNetOfTax | $ 13,152 us-gaap_ComprehensiveIncomeNetOfTax | $ 17,447 us-gaap_ComprehensiveIncomeNetOfTax | $ 12,946 us-gaap_ComprehensiveIncomeNetOfTax

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- Definition This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 + Details
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Comprehensive Income -URI http://asc.fasb.org/extlink&oid=35737396 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e557-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256 + Details
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