MORTGAGE-BACKED SECURITIES (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2016
Schedule of Held-to-maturity Securities [Line Items]
Investment securities - held to maturity	$ 8,684		$ 8,684		$ 9,523
Accretion of other comprehensive loss on other-than-temporarily impaired securities held to maturity	37	$ 45	70	$ 99
Agency [Member]
Schedule of Held-to-maturity Securities [Line Items]
Investment securities - held to maturity	122,005		122,005		135,957
Proceeds from repayments mortgage-backed securities			21,957
Private-label [Member]
Schedule of Held-to-maturity Securities [Line Items]
Investment securities - held to maturity	1,268		1,268		1,459
Proceeds from repayments mortgage-backed securities			126
Accretion of other comprehensive loss on other-than-temporarily impaired securities held to maturity			38
Collateralized Mortgage Obligations [Member]
Schedule of Held-to-maturity Securities [Line Items]
Investment securities - held to maturity	123,273		123,273		137,416
Decrease in mortgage-backed securities			13,952
MBS comprised of adjustable or floating rate investments	$ 123,273		$ 123,273		$ 137,416
Percent of MBS comprised of adjustable or floating rate investments	100.00%		100.00%		100.00%
Mortgage-backed securities pledged as collateral	$ 150,300		$ 150,300		$ 127,600
Mortgage-backed securities pledged as collateral, fair value	150,400		150,400		127,600
Mortgage-backed securities pledged as collateral, excess collateral	$ 32,200		$ 32,200		$ 6,700