Investment Securities - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Debt Securities, Available-for-Sale [Line Items]
Payments to purchase investment securities	$ 0	$ 0
Unrealized Holding Losses less Than 12 Months, Fair Value	455	11,489
Unrealized Holding Losses less Than 12 Months, Unrealized Losses	0	254
Unrealized Holding Losses 12 Months or More, Fair Value	108,990	124,053
Unrealized Holding Losses 12 Months or More, Unrealized Losses	15,734	18,542
Unrealized Holding Losses Total, Fair Value	109,445	135,542
Unrealized Holding Losses Total, Unrealized Losses	$ 15,751	$ 18,858
Unrealized Holding Losses, Less Than 12 Months, Fair Value	91	783
Unrealized Holding Losses, Less Than 12 Months, Unrealized Losses	$ 0	$ 22
Unrealized Holding Losses, 12 Months or More, Fair Value	1,213	1,333
Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Losses	15,734	18,796
Unrealized Holding Losses Less Than 12 Months, Fair Value	546	12,272
Unrealized Holding Losses Less Than 12 Months, Unrealized Losses	0	276
Available for sale securities realized loss	0	0
Investment securities - held to maturity, allowance for credit losses	0	0
U.S. government sponsored enterprise CMO
Debt Securities, Available-for-Sale [Line Items]
Unrealized Holding Losses less Than 12 Months, Fair Value	0
Unrealized Holding Losses less Than 12 Months, Unrealized Losses	0
Unrealized Holding Losses 12 Months or More, Fair Value	3,460	3,547
Unrealized Holding Losses 12 Months or More, Unrealized Losses	253	336
Unrealized Holding Losses Total, Fair Value	3,460	3,547
Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Losses	253	336
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]
Debt Securities, Available-for-Sale [Line Items]
Principal payments from investment securities	24,100	30,700
Proceeds from sale of investment securities available for sale	0	0
Unrealized Holding Losses less Than 12 Months, Fair Value	0	10,839
Unrealized Holding Losses less Than 12 Months, Unrealized Losses	0	253
Unrealized Holding Losses 12 Months or More, Fair Value	105,530	120,506
Unrealized Holding Losses 12 Months or More, Unrealized Losses	15,481	18,206
Unrealized Holding Losses Total, Fair Value	$ 105,530	$ 131,345
Unrealized Holding Losses, Less Than 12 Months, Fair Value	0	87
Unrealized Holding Losses, Less Than 12 Months, Unrealized Losses	$ 0	$ 2
Unrealized Holding Losses, 12 Months or More, Fair Value	8	558
Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Losses	15,481	18,459
U.S. SBA securities
Debt Securities, Available-for-Sale [Line Items]
Unrealized Holding Losses less Than 12 Months, Fair Value	455	650
Unrealized Holding Losses less Than 12 Months, Unrealized Losses	0	1
Unrealized Holding Losses 12 Months or More, Fair Value	0	0
Unrealized Holding Losses 12 Months or More, Unrealized Losses	0	0
Unrealized Holding Losses Total, Fair Value	$ 455	650
Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Losses		$ 1