Amount of unamortized purchase discount on acquired financing receivable.

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- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

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- Definition

Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease.

+ References

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- Definition

Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Components of Loans receivable net (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	$ 136,563		$ 132,835
Net Deferred Loan Origination Fees	489		483
Net Discounts on Purchased Loans	(629)		(714)
Allowance for Credit Losses	(1,126)	$ (1,117)	(1,100)	$ (1,072)	$ (1,064)	$ (1,063)
Loans Receivable, Net	135,297		131,504
Real Estate Residential
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	130,222		126,081
Home Equity
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	2,569		2,142
Commercial Non-Mortgage
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	2,751		2,408
Automobile
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	1,372		1,849
Passbook
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	367		368
Consumer
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	1,851		2,129
Real Estate Residential
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	119,141		115,134
Allowance for Credit Losses	(878)	(881)	(859)	(828)	(811)	(799)
Real Estate Residential \| Real Estate Residential
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	112,673		109,700
Real Estate Residential \| Construction - Residential
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	3,899		3,292
Real Estate Residential \| Home Equity
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	2,569		2,142
Real Estate Commercial
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	11,081		10,947
Allowance for Credit Losses	(157)	(154)	(148)	(145)	(150)	(156)
Real Estate Commercial \| Real Estate Residential
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	11,081		10,807
Real Estate Commercial \| Construction - Commercial
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans			140
Consumer
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	3,590		4,346
Allowance for Credit Losses	(44)	$ (45)	(54)	$ (58)	$ (61)	$ (68)
Consumer \| Commercial Non-Mortgage
LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES
Total Loans	$ 2,751		$ 2,408