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Summary Of Significant Accounting Policies - Additional Information (Details)		1 Months Ended	3 Months Ended		6 Months Ended		9 Months Ended
	Jul. 31, 2023 $ / shares shares	Mar. 31, 2000 USD ($)	Jun. 30, 2025 USD ($) shares	Jun. 30, 2024 USD ($) shares	Jun. 30, 2025 USD ($) shares	Jun. 30, 2024 USD ($) shares	Sep. 30, 2024 shares	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Shares sold in recent offering | shares	9,798,980
Common stock outstanding after conversion | shares	11,375,803
Common stock conversion price per share | $ / shares	$ 10
Common stock conversion ratio	1.5309		1.5309		1.5309
Stock options | shares			0	0	0	0
Stock options granted | shares							878,916
FHLB restricted stock | $			$ 656,000		$ 656,000				$ 1,400,000
Unexercised stock options | shares					931,579	55,648
Credit losses on available for sale securities | $			0	$ 0	$ 0	$ 0			0
Debt securities allowance for credit loss default rates percentage					45.00%
Accrued interest receivables on debt securities | $					$ 42,000
ACL for HTM securities | $			$ 2,651	$ 4,667	$ 2,651	$ 4,667		$ 3,000	$ 4,000	$ 5,000	$ 6,000
M.H.C.
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Percentage of outstanding common stock owned	86.30%
Restricted Stock [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Restricted stock granted | shares							343,562
Maximum
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Historical losses for all banks with assets | $		$ 1,000,000,000
National loss history for banks with assets | $		$ 1,000,000,000

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