PARENT COMPANY CONDENSED FINANCIAL STATEMENTS - Schedule of Balance Sheets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Assets
Cash and due from banks	$ 1,486	$ 1,609
Investment in Colonial Federal Savings Bank	5,375	30,058
Accrued interest receivable	1,363	1,265
Deferred tax asset	1,079	1,079
ESOP loan	175,911	172,593
Other assets	596	472
Total assets	349,007	366,183
Liabilities
Total liabilities	273,118	291,933
Stockholders' Equity
Common stock	65	65
Additional paid-in capital	27,814	27,720
Retained earnings	50,416	48,970
Accumulated other comprehensive loss	(3)	0
ESOP-Unearned compensation	2,403	2,505
Total stockholders' equity	75,889	74,250	$ 48,645
Total liabilities and stockholders' equity	349,007	366,183
Parent Company [Member]
Assets
Cash and due from banks	9,551	10,213
Investment in Colonial Federal Savings Bank	62,781	60,934
Due from Colonial Federal Savings Bank	614	0
Accrued interest receivable	40	40
Deferred tax asset	218	302
ESOP loan	2,486	2,556
Other assets	206	234
Total assets	75,896	74,279
Liabilities
Other Liabilities	7	29
Total liabilities	7	29
Stockholders' Equity
Common stock	65	65
Additional paid-in capital	27,814	27,720
Retained earnings	50,416	48,970
Accumulated other comprehensive loss	(3)	0
ESOP-Unearned compensation	(2,403)	(2,505)
Total stockholders' equity	75,889	74,250
Total liabilities and stockholders' equity	$ 75,896	$ 74,279