LOANS, LEASES & ALLOWANCE FOR LOAN AND LEASE LOSSES - LOANS NARRATIVE (Details)	12 Months Ended
	Jun. 30, 2019 USD ($) loan	Jun. 30, 2018 USD ($) loan
Financing Receivable, Impaired [Line Items]
Write offs on impaired loans	$ 2,415,000
Impaired loans with no specific allowance	48,444,000
Average carrying value of impaired loans	39,468,000	$ 30,420,000
Loans past due ninety days or more and still accruing	$ 0	$ 0
Loans with related parties, number of loans refinanced | loan	1
Loans with related parties, amount of loans refinanced	$ 1,306,000
Number of new related party loans | loan		0
Principal payments received on related party loans	461,000	$ 341,000
Ending balance of related party loans	13,342,000	8,956,000
Interest earned on related party loans	326,000	81,000
Purchased loans serviced by others, amount	$ 57,667,000	$ 64,536,000
Purchased loans serviced by others, percent of portfolio	0.61%	0.76%
Fixed Interest Rate
Financing Receivable, Impaired [Line Items]
Percent of loans by interest rate type	11.70%
Adjustable Interest Rate
Financing Receivable, Impaired [Line Items]
Percent of loans by interest rate type	88.30%
Single Family Mortgage Secured
Financing Receivable, Impaired [Line Items]
LTV ratio	80.00%
Single Family Mortgage Secured | Minimum
Financing Receivable, Impaired [Line Items]
Loan term	15 years
Single Family Mortgage Secured | Maximum
Financing Receivable, Impaired [Line Items]
Loan term	30 years
Commercial Real Estate | Minimum
Financing Receivable, Impaired [Line Items]
LTV ratio	65.00%
Commercial Real Estate | Maximum
Financing Receivable, Impaired [Line Items]
LTV ratio	80.00%