Securities Held-to-Maturity - Additional Information (Details) - USD ($)	6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jun. 30, 2023
Schedule of Held-to-Maturity Securities [Line Items]
Company	$ 26,000		$ 24,000
Sale of security held to maturity	0	$ 0
Federal Reserves Bank Term Funding Program
Schedule of Held-to-Maturity Securities [Line Items]
Advance	20,000,000
Pledged as Collateral
Schedule of Held-to-Maturity Securities [Line Items]
Mortgage-backed security	31,500,000
Secure Public Funds
Schedule of Held-to-Maturity Securities [Line Items]
Mortgage-backed security	$ 2,136,000		$ 1,000