v3.25.4

Investment Securities (Investments Securities Available For Sale) (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Sep. 30, 2025
Schedule of Available For Sale Securities [Line Items]
Amortized cost, Total	$ 473,754	$ 542,197
Investments securities available-for-sale, accumulated gross unrealized gain.	2,139	2,292
Investments securities available-for-sale, gross unrealized losses	(21,400)	(23,830)
Investment securities, available for sale	454,493	520,659
REMIC's
Schedule of Available For Sale Securities [Line Items]
Amortized cost, Total	458,680	477,058
Investments securities available-for-sale, accumulated gross unrealized gain.	1,891	2,028
Investments securities available-for-sale, gross unrealized losses	(21,320)	(23,718)
Investment securities, available for sale	439,251	455,368
Fannie Mae Certificates
Schedule of Available For Sale Securities [Line Items]
Amortized cost, Total	2,595	2,624
Investments securities available-for-sale, accumulated gross unrealized gain.	97	98
Investments securities available-for-sale, gross unrealized losses	(3)	(3)
Investment securities, available for sale	2,689	2,719
Freddie Mac Certificates
Schedule of Available For Sale Securities [Line Items]
Amortized cost, Total	8,470	8,474
Investments securities available-for-sale, accumulated gross unrealized gain.	151	162
Investments securities available-for-sale, gross unrealized losses	(17)	(19)
Investment securities, available for sale	8,604	8,617
U.S. government and agency obligations
Schedule of Available For Sale Securities [Line Items]
Amortized cost, Total	4,009	54,041
Investments securities available-for-sale, accumulated gross unrealized gain.	0	4
Investments securities available-for-sale, gross unrealized losses	(60)	(90)
Investment securities, available for sale	$ 3,949	$ 53,955

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