GOODWILL AND OTHER INTANGIBLE ASSETS - Other Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
GOODWILL AND OTHER INTANGIBLE ASSETS
Gross Carrying Amount	$ 3,207	$ 3,207
Less: accumulated amortization	(1,048)	(684)
Net Carrying Amount	2,159	2,523
Customer relationship
GOODWILL AND OTHER INTANGIBLE ASSETS
Gross Carrying Amount	2,645	2,645
Less: accumulated amortization	(800)	(493)
Net Carrying Amount	1,845	2,152
Core deposit
GOODWILL AND OTHER INTANGIBLE ASSETS
Gross Carrying Amount	562	562
Less: accumulated amortization	(248)	(191)
Net Carrying Amount	$ 314	$ 371