v3.26.1
Investment Securities (Tables)
 9 Months Ended
Jun. 30, 2026
Investments [Abstract]  
Marketable Securities
Held to maturity and available for sale investment securities have been classified according to management’s intent and were as follows as of June 30, 2026 and September 30, 2025 (dollars in thousands):
Amortized
Cost		Gross
Unrealized
Gains		Gross
Unrealized
Losses		Estimated
Fair Value		Allowance for Credit Losses
June 30, 2026
Held to Maturity
U.S. Treasury and U.S. government agency securities$56,844 $— $(2,168)$54,676 $— 
Mortgage-backed securities ("MBS"):
U.S. government agencies47,025 39 (1,553)45,511 — 
Private label residential13,718 174 (836)13,056 30 
Total$117,587 $213 $(4,557)$113,243 $30 


June 30, 2026Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
Available for Sale
MBS: U.S. government agencies$91,961 $106 $(1,583)$90,484 
Total$91,961 $106 $(1,583)$90,484 


September 30, 2025Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair ValueAllowance for Credit Losses
Held to Maturity
U.S. Treasury and U.S. government agency securities$69,646 $15 $(2,760)$66,901 $— 
MBS:
U.S. government agencies48,735 199 (1,357)47,577 — 
 Private label residential 17,376 196 (822)16,750 35 
Municipal securities605 6 — 611 — 
Bank issued trust preferred securities499 — (4)495 1
Total$136,861 $416 $(4,943)$132,334 $36 


September 30, 2025Amortized CostGross Unrealized GainsGross Unrealized LossesEstimated Fair Value
Available for Sale
U.S. government securities$4,968 $— $— $4,968 
MBS: U.S. government agencies73,649 382 (759)73,272 
Total$78,617 $382 $(759)$78,240 
Unrealized Loss On Investments
Held to maturity and available for sale investment securities with unrealized losses were as follows as of June 30, 2026 (dollars in thousands):
Less Than 12 Months12 Months or LongerTotal
Estimated
 Fair
 Value		Gross
Unrealized
Losses		QuantityEstimated
 Fair
 Value		Gross
Unrealized
Losses		QuantityEstimated
 Fair
 Value		Gross
Unrealized
Losses
Held to maturity
U.S. Treasury and U.S. government agency securities$— $— — $54,676 $(2,168)13 $54,676 $(2,168)
MBS:
U.S. government agencies14,217 (78)9 23,269 (1,475)36 37,486 (1,553)
Private label residential1,712 (39)3 11,155 (797)13 12,867 (836)
     Total
$15,929 $(117)12 $89,100 $(4,440)62 $105,029 $(4,557)
Available for sale
MBS:
U.S. government agencies$33,993 $(866)12 $24,943 $(717)22 $58,936 $(1,583)
     Total
$33,993 $(866)12 $24,943 $(717)22 $58,936 $(1,583)

Held to maturity and available for sale investment securities with unrealized losses were as follows as of September 30, 2025 (dollars in thousands):
Less Than 12 Months12 Months or LongerTotal
Estimated
 Fair
 Value		Gross
Unrealized Losses		QuantityEstimated
 Fair
 Value		Gross
Unrealized Losses		QuantityEstimated
 Fair
 Value		Gross
Unrealized Losses
Held to maturity
U.S. Treasury and U.S. government agency securities$— $— — $56,960 $(2,760)14 $56,960 $(2,760)
MBS:
U.S. government agencies7 — 1 27,776 (1,357)42 27,783 (1,357)
 Private label
    residential
341 (2)3 14,646 (820)14 14,987 (822)
Bank issued trust preferred securities495 (4)1 — — — 495 (4)
     Total
$843 $(6)5 $99,382 $(4,937)70 $100,225 $(4,943)
Available for sale
U.S. government securities$3,977 $— 1 $— $— — $3,977 $— 
MBS:
U.S. government agencies11,922 (67)3 28,947 (692)24 40,869 (759)
     Total
$15,899 $(67)4 $28,947 $(692)24 $44,846 $(759)
Schedule of Contractual Maturities of Debt Securities Expected maturities may differ from scheduled maturities due to the prepayment of principal or call provisions.
Held to MaturityAvailable for Sale
Amortized
Cost		Estimated
Fair
Value		Amortized
Cost		Estimated
Fair
Value
Due within one year$25,746 $25,488 $— $— 
Due after one year to five years39,886 37,913 3,130 3,124 
Due after five years to ten years31 140 177 176 
Due after ten years51,924 49,702 88,654 87,184 
Total$117,587 $113,243 $91,961 $90,484 
Summary of Credit Loss by Portfolio Segment
The following tables set forth information for the three and nine months ended June 30, 2026 and 2025 regarding activity in the ACL by portfolio segment (dollars in thousands):

Three Months Ended June 30, 2026Three Months Ended June 30, 2025
Beginning AllowanceRecapture of Credit LossesEnding AllowanceBeginning AllowanceRecapture of Credit LossesEnding Allowance
Held to Maturity
MBS:
Private label residential$31 $(1)$30 $48 $(3)$45 
Bank issued trust preferred securities— — — 2 (1)1 
Total$31 $(1)$30 $50 $(4)$46 

Nine Months Ended June 30, 2026Nine Months Ended June 30, 2025
Beginning AllowanceRecapture of Credit LossesEnding AllowanceBeginning AllowanceRecapture of Credit LossesEnding Allowance
Held to Maturity
MBS:
Private label residential$35 $(5)$30 $55 $(10)$45 
Bank issued trust
  preferred securities
1 (1)— 5 (4)1 
Total$36 $— $(6)$30 $60 $(14)$46 
The following table presents a roll forward of the credit loss component of held to maturity investment securities that have been written down for OTTI with the credit loss component recognized in earnings for the nine months ended June 30, 2026 and 2025 (dollars in thousands):
Nine Months Ended
June 30,
20262025
Beginning balance of credit loss$788 $803 
Subtractions:
Net realized loss previously recorded as credit losses(3)(3)
Recovery of prior credit loss(19)(6)
Ending balance of credit loss$766 $794 
Summary of Held to Maturity Investment Securities by Risk
The following tables set forth the Company's held to maturity investment securities at June 30, 2026 and September 30, 2025, by credit quality indicator (dollars in thousands):
Credit Ratings
As of June 30, 2026AAA/AA/ABBB/BB/BUnratedTotal
Held to Maturity
U.S. Treasury and U.S. government agency securities$56,844 $— $— $56,844 
MBS:
U.S. government agencies47,025 — — 47,025 
Private label residential9,615 — 4,103 13,718 
Total held to maturity$113,484 $— $4,103 $117,587 
Credit Ratings
As of September 30, 2025AAA/AA/ABBB/BB/BUnratedTotal
Held to Maturity
U.S. Treasury and U.S. government agency securities$69,646 $— $— $69,646 
MBS:
U.S. government agencies48,735 — — 48,735 
Private label residential12,455 — 4,921 17,376 
Municipal securities605 — — 605 
Bank issued trust preferred securities— — 499 499 
Total held to maturity$131,441 $— $5,420 $136,861