NET LOANS RECEIVABLE - Nonaccrual and Loans Past Due Over 90 Days Still on Accrual (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jun. 30, 2019
NET LOANS RECEIVABLE
Nonaccrual	$ 10,621	$ 12,562
Past Due 90 Days Still on Accrual	125	118
Commercial | Real estate
NET LOANS RECEIVABLE
Nonaccrual	3,369	5,618
Past Due 90 Days Still on Accrual	56	58
Commercial | Commercial and industrial
NET LOANS RECEIVABLE
Nonaccrual	42	42
Past Due 90 Days Still on Accrual	5
Commercial | Construction
NET LOANS RECEIVABLE
Nonaccrual	1,298	1,377
Residential mortgages
NET LOANS RECEIVABLE
Nonaccrual	4,191	4,028
Home equity loans and lines
NET LOANS RECEIVABLE
Nonaccrual	1,511	1,497
Past Due 90 Days Still on Accrual	54	41
Consumer
NET LOANS RECEIVABLE
Nonaccrual	210
Past Due 90 Days Still on Accrual	$ 10	$ 19