LEASES - Additional Information (Details)	1 Months Ended	3 Months Ended		12 Months Ended
	Mar. 31, 2010 USD ($) location	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2021 USD ($)
Operating lease		$ 365,000	$ 393,000
ROU lease assets obtained in exchange for operating lease liabilities			$ 785,000
Number of branches sold | location	2
Deferred gain on sale	$ 2,100,000
Accrued expenses and other liabilities
Deferred gain on sale		$ 337,000		$ 377,000