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This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' 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The ESOP documents typically define the period of service to which the shares relate. ESOP shares are released to compensate employees directly, to settle employer liabilities for other employee benefits, and to replace dividends on allocated shares that are used for debt service.","units":{"shares":[{"end":"2025-09-30","val":60229,"accn":"0001193125-25-283184","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-14","frame":"CY2025Q3I"},{"end":"2025-12-31","val":80305,"accn":"0001193125-26-129221","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-27"},{"end":"2025-12-31","val":80305,"accn":"0001193125-26-224283","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-14","frame":"CY2025Q4I"},{"end":"2026-03-31","val":20076,"accn":"0001193125-26-224283","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-14","frame":"CY2026Q1I"}]}},"EmployeeStockOwnershipPlanESOPNumberOfSuspenseShares":{"label":"Employee Stock Ownership Plan (ESOP), Number of Suspense Shares","description":"Shares contributed to the ESOP that have not yet been released, committed to be released, or allocated to participant accounts. 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