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As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2025-01-01","end":"2025-06-30","val":1031000,"accn":"0002115119-26-000030","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-07"},{"start":"2026-01-01","end":"2026-06-30","val":1122000,"accn":"0002115119-26-000030","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-07"}]}},"AmortizationOfMortgageServicingRightsMSRs":{"label":"Amortization of Mortgage Servicing Rights (MSRs)","description":"The periodic amortization (in proportion to and over the period of estimated net servicing income or loss) of capitalized servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. 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Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2025-12-31","val":11018793000,"accn":"0002115119-26-000030","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-07","frame":"CY2025Q4I"},{"end":"2026-06-30","val":12173205000,"accn":"0002115119-26-000030","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-07","frame":"CY2026Q2I"}]}},"AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax":{"label":"Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax","description":"Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"end":"2025-12-31","val":6555000,"accn":"0002115119-26-000030","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-07","frame":"CY2025Q4I"},{"end":"2026-06-30","val":2048000,"accn":"0002115119-26-000030","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-07","frame":"CY2026Q2I"}]}},"AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax":{"label":"Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax","description":"Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"end":"2025-12-31","val":84757000,"accn":"0002115119-26-000030","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-07","frame":"CY2025Q4I"},{"end":"2026-06-30","val":88776000,"accn":"0002115119-26-000030","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-07","frame":"CY2026Q2I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost":{"label":"Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10","description":"Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. 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Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2026-06-30","val":56144000,"accn":"0002115119-26-000030","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-07","frame":"CY2026Q2I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost":{"label":"Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five","description":"Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2026-06-30","val":308210000,"accn":"0002115119-26-000030","fy":2026,"fp":"Q2","form":"10-Q","filed":"2026-08-07","frame":"CY2026Q2I"}]}},"AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue":{"label":"Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five","description":"Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. 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