v3.25.4

Loans And Allowance For Credit Losses (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Sep. 30, 2025
Loan Portfolio [Line Items]
Accrued interest receivable	$ 60,295		$ 62,553
Loans, net	15,741,688		15,663,312
Loans classified as mortgage loans held for sale	14,440		57,662
Transfer of loans from held for sale to held for investment	7,427	$ 1,327
Real Estate Loans
Loan Portfolio [Line Items]
Loans in process of foreclosure	12,453		9,918
Loans
Loan Portfolio [Line Items]
Accrued interest receivable	58,816		$ 59,980
Loan Sales In Quarter
Loan Portfolio [Line Items]
Principal balance of loans sold	$ 109,631	72,031
Residential Core, Home Today and Construction | Florida
Loan Portfolio [Line Items]
Residential real estate loans held, percent	17.00%		17.00%
Residential Core, Home Today and Construction | Ohio
Loan Portfolio [Line Items]
Residential real estate loans held, percent	59.00%		59.00%
Home Equity Line of Credit
Loan Portfolio [Line Items]
Home equity lines of credit that converted from revolving loans to term loans.	$ 3,437	$ 3,347
Home Equity Line of Credit | Florida
Loan Portfolio [Line Items]
Residential real estate loans held, percent	21.00%		21.00%
Home Equity Line of Credit | Ohio
Loan Portfolio [Line Items]
Residential real estate loans held, percent	22.00%		22.00%
Home Equity Line of Credit | California
Loan Portfolio [Line Items]
Residential real estate loans held, percent	17.00%		17.00%
Home Equity Loan | Florida
Loan Portfolio [Line Items]
Residential real estate loans held, percent	20.00%		22.00%
Home Equity Loan | Ohio
Loan Portfolio [Line Items]
Residential real estate loans held, percent	23.00%		23.00%
Home Equity Loan | California
Loan Portfolio [Line Items]
Residential real estate loans held, percent	18.00%		18.00%
Residential Core | Adjustable Rate Residential Mortgage
Loan Portfolio [Line Items]
Loans, net	$ 3,830,476		$ 3,944,540
Home Today loans Originated After September 2016
Loan Portfolio [Line Items]
Loans, net	$ 0
Construction/Permanent Loans | LTV 85 Percent | Maximum
Loan Portfolio [Line Items]
Loan To Completed Appraised Value, Percentage	85.00%

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