Fair Value Measurements and Fair Value of Financial Instruments - Carrying Amount and Estimated Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024
Carrying Amounts and Estimated Fair Value of Financial Instruments [Abstract]
Securities available-for-sale	$ 356,062	$ 350,001
Equity securities	402	328
Carrying Amount [Member]
Carrying Amounts and Estimated Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	183,078	190,395
Long-term certificate of deposit	1,425	2,831
Securities available-for-sale	356,062	350,001
Securities held-to-maturity	776,147	690,354
Equity securities	402	328
Federal Home Loan Bank stock	5,504	7,296
Net loans receivable	1,607,260	1,480,229
Accrued interest receivable	16,381	14,269
Interest rate swap asset	4,733	585
Deposits	2,639,835	2,389,222
Borrowings	78,189	149,456
Subordinated notes payable, net	49,867	49,681
Accrued interest payable	1,271	1,551
Interest rate swap liability	4,733	585
Fair Value [Member]
Carrying Amounts and Estimated Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	183,078	190,395
Long-term certificate of deposit	1,421	2,760
Securities available-for-sale	356,062	350,001
Securities held-to-maturity	738,134	630,241
Equity securities	402	328
Federal Home Loan Bank stock	5,504	7,296
Net loans receivable	1,536,150	1,387,325
Accrued interest receivable	16,381	14,269
Interest rate swap asset	4,733	585
Deposits	2,639,246	2,388,305
Borrowings	78,346	149,438
Subordinated notes payable, net	48,485	46,114
Accrued interest payable	1,271	1,551
Interest rate swap liability	4,733	585
Level 1 [Member] \| Fair Value [Member]
Carrying Amounts and Estimated Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	183,078	190,395
Long-term certificate of deposit	0	0
Securities available-for-sale	0	0
Securities held-to-maturity	0	0
Equity securities	402	328
Federal Home Loan Bank stock	0	0
Net loans receivable	0	0
Accrued interest receivable	0	0
Interest rate swap asset	0	0
Deposits	0	0
Borrowings	0	0
Subordinated notes payable, net	0	0
Accrued interest payable	0	0
Interest rate swap liability	0	0
Level 2 [Member] \| Fair Value [Member]
Carrying Amounts and Estimated Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	0	0
Long-term certificate of deposit	1,421	2,760
Securities available-for-sale	356,062	350,001
Securities held-to-maturity	738,134	630,241
Equity securities	0	0
Federal Home Loan Bank stock	5,504	7,296
Net loans receivable	0	0
Accrued interest receivable	16,381	14,269
Interest rate swap asset	4,733	585
Deposits	2,639,246	2,388,305
Borrowings	78,346	149,438
Subordinated notes payable, net	48,485	46,114
Accrued interest payable	1,271	1,551
Interest rate swap liability	4,733	585
Level 3 [Member] \| Fair Value [Member]
Carrying Amounts and Estimated Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	0	0
Long-term certificate of deposit	0	0
Securities available-for-sale	0	0
Securities held-to-maturity	0	0
Equity securities	0	0
Federal Home Loan Bank stock	0	0
Net loans receivable	1,536,150	1,387,325
Accrued interest receivable	0	0
Interest rate swap asset	0	0
Deposits	0	0
Borrowings	0	0
Subordinated notes payable, net	0	0
Accrued interest payable	0	0
Interest rate swap liability	$ 0	$ 0

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. Receivables related accrued interest from notes and loans receivable.

No definition available.