Basis of Presentation	6 Months Ended
Basis of Presentation	Mar. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The accompanying unaudited interim consolidated financial statements of Charter Financial and the Bank include the accounts of the Company and the Bank as of March 31, 2015 and September 30, 2014 (derived from audited financial statements), and for the three and six-month periods ended March 31, 2015 and 2014. All intercompany accounts and transactions have been eliminated in consolidation. The unaudited interim consolidated financial statements have been prepared in accordance with generally accepted accounting principles for interim financial information and with the rules and regulations of the Securities and Exchange Commission. Accordingly, they do not include all of the information and footnotes required by generally accepted accounting principles for complete financial statements. In the opinion of management, the unaudited interim condensed consolidated financial statements include all necessary adjustments, consisting of normal recurring accruals, necessary for a fair presentation for the periods presented. The results of operations for the three and six-month periods ended March 31, 2015 are not necessarily indicative of the results that may be expected for the entire year or any other interim period. The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term relate to the determination of the allowance for loan losses, the valuation of real estate acquired in connection with foreclosures or in satisfaction of loans, the estimates used for fair value acquisition accounting and the Federal Deposit Insurance Corporation receivable for loss sharing agreements, the estimate of expected cash flows on purchased impaired and other acquired loans, and the assessment for other-than-temporary impairment of investment securities, mortgage-backed securities, collateralized mortgage-backed securities and collateralized mortgage obligations. Certain reclassifications of prior fiscal year balances have been made to conform to classifications used in the current fiscal year. These reclassifications did not change net income or stockholders' equity.

The entire disclosure for the organization, consolidation and basis of presentation of financial statements disclosure, and significant accounting policies of the reporting entity. May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows. Describes procedure if disclosures are provided in more than one note to the financial statements.

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