Fair Value Measurements and Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Jun. 30, 2025
Fair Value Measurements and Fair Value of Financial Instruments [Abstract]
Securities available-for-sale	$ 370,201	$ 356,062
Equity securities	355	402
Carrying Amount [Member]
Fair Value Measurements and Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	139,450	183,078
Long-term certificate of deposit	1,225	1,425
Securities available-for-sale	370,201	356,062
Securities held-to-maturity	814,314	776,147
Equity securities	355	402
Federal Home Loan Bank stock	5,549	5,504
Net loans receivable	1,725,925	1,607,260
Accrued interest receivable	20,070	16,381
Interest rate swap asset	3,823	4,733
Deposits	2,772,554	2,639,835
Borrowings	77,389	78,189
Subordinated notes payable, net	29,954	49,867
Accrued interest payable	707	1,271
Interest rate swap liability	3,823	4,733
Fair Value [Member]
Fair Value Measurements and Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	139,450	183,078
Long-term certificate of deposit	1,226	1,421
Securities available-for-sale	370,201	356,062
Securities held-to-maturity	785,078	738,134
Equity securities	355	402
Federal Home Loan Bank stock	5,549	5,504
Net loans receivable	1,667,977	1,536,150
Accrued interest receivable	20,070	16,381
Interest rate swap asset	3,823	4,733
Deposits	2,771,714	2,639,246
Borrowings	77,514	78,346
Subordinated notes payable, net	29,089	48,485
Accrued interest payable	707	1,271
Interest rate swap liability	3,823	4,733
Level 1 [Member] \| Fair Value [Member]
Fair Value Measurements and Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	139,450	183,078
Long-term certificate of deposit	0	0
Securities available-for-sale	0	0
Securities held-to-maturity	0	0
Equity securities	355	402
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]
Fair Value Measurements and Fair Value of Financial Instruments [Abstract]
Cash and cash equivalents	0	0
Long-term certificate of deposit	1,226	1,421
Securities available-for-sale	370,201	356,062
Securities held-to-maturity	785,078	738,134
Equity securities	0	0
Federal Home Loan Bank stock	5,549	5,504
Net loans receivable	0	0
Accrued interest receivable	20,070	16,381
Interest rate swap asset	3,823	4,733
Deposits	2,771,714	2,639,246
Borrowings	77,514	78,346
Subordinated notes payable, net	29,089	48,485
Accrued interest payable	707	1,271
Interest rate swap liability	3,823	4,733
Level 3 [Member] \| Fair Value [Member]
Fair Value Measurements and 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	1,667,977	1,536,150
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.