LOANS, LEASES & ALLOWANCE FOR LOAN AND LEASE LOSSES - LOANS INDIVIDUALLY EVALUATED FOR IMPAIRMENT (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Jun. 30, 2017
With an allowance recorded:
Unpaid Principal Balance		$ 32,331	$ 32,084
Principal Balance Adjustment	[1]	3,294	3,691
Recorded Investment		29,037	28,393
Accrued Interest/Origination Fees		101	413
Total		29,138	28,806
Related Allocation of General Allowance		278	1,058
Related Allocation of Specific Allowance		$ 0	$ 0
As a % of total gross loans and leases
Unpaid Principal Balance		0.38%	0.43%
Principal Balance Adjustment		0.04%	0.05%
Recorded Investment		0.34%	0.38%
Accrued Interest/Origination Fees		0.00%	0.01%
Total		0.34%	0.39%
Related Allocation of General Allowance		0.00%	0.01%
Related Allocation of Specific Allowance		0.00%	0.00%
Mortgage | In-house originated
With no related allowance recorded:
Unpaid Principal Balance		$ 1,584	$ 4,240
Principal Balance Adjustment	[1]	951	1,032
Recorded Investment		633	3,208
Accrued Interest/Origination Fees		78	205
Total		711	3,413
With an allowance recorded:
Unpaid Principal Balance		24,607	16,124
Principal Balance Adjustment	[1]	47	12
Recorded Investment		24,560	16,112
Accrued Interest/Origination Fees		0	0
Total		24,560	16,112
Related Allocation of General Allowance		247	643
Related Allocation of Specific Allowance		0	0
Mortgage | Purchased
With no related allowance recorded:
Unpaid Principal Balance		3,598	4,563
Principal Balance Adjustment	[1]	1,739	1,903
Recorded Investment		1,859	2,660
Accrued Interest/Origination Fees		0	0
Total		1,859	2,660
With an allowance recorded:
Unpaid Principal Balance		1,394	1,429
Principal Balance Adjustment	[1]	0	32
Recorded Investment		1,394	1,397
Accrued Interest/Origination Fees		21	17
Total		1,415	1,414
Related Allocation of General Allowance		14	37
Related Allocation of Specific Allowance		0	0
Multifamily real estate secured | In-house originated
With an allowance recorded:
Unpaid Principal Balance			4,170
Principal Balance Adjustment	[1]		192
Recorded Investment			3,978
Accrued Interest/Origination Fees			186
Total			4,164
Related Allocation of General Allowance			19
Related Allocation of Specific Allowance			0
Multifamily real estate secured | Purchased
With no related allowance recorded:
Unpaid Principal Balance		480	492
Principal Balance Adjustment	[1]	248	215
Recorded Investment		232	277
Accrued Interest/Origination Fees		0	0
Total		232	277
Auto and RV secured | In-house originated
With no related allowance recorded:
Unpaid Principal Balance		369	418
Principal Balance Adjustment	[1]	309	295
Recorded Investment		60	123
Accrued Interest/Origination Fees		2	3
Total		62	126
With an allowance recorded:
Unpaid Principal Balance			42
Principal Balance Adjustment	[1]		8
Recorded Investment			34
Accrued Interest/Origination Fees			2
Total			36
Related Allocation of General Allowance			1
Related Allocation of Specific Allowance			0
Home equity | In-house originated
With an allowance recorded:
Unpaid Principal Balance		16	18
Principal Balance Adjustment	[1]	0	2
Recorded Investment		16	16
Accrued Interest/Origination Fees		0	0
Total		16	16
Related Allocation of General Allowance		1	1
Related Allocation of Specific Allowance		0	0
Commercial & Industrial
With an allowance recorded:
Unpaid Principal Balance		172	314
Principal Balance Adjustment	[1]	0	0
Recorded Investment		172	314
Accrued Interest/Origination Fees		0	0
Total		172	314
Related Allocation of General Allowance		9	314
Related Allocation of Specific Allowance		0	0
Other
With an allowance recorded:
Unpaid Principal Balance		111	274
Principal Balance Adjustment	[1]	0	0
Recorded Investment		111	274
Accrued Interest/Origination Fees		0	0
Total		111	274
Related Allocation of General Allowance		7	43
Related Allocation of Specific Allowance		$ 0	$ 0

[1] Impaired loans with an allowance recorded do not have any charge-offs. Principal balance adjustments on impaired loans with an allowance recorded represent interest payments that have been applied to the book balance as a result of the loans’ non-accrual status.