SECURITIES - SCHEDULE OF UNREALIZED LOSS ON INVESTMENTS (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Jun. 30, 2016
Available-for-sale securities in loss position for
Available-for-sale securities in loss position for less than 12 months, Fair Value	$ 52,567	$ 15,833
Available-for-sale securities in loss position, Gross Unrealized Losses	(920)	(15)
Available-for-sale securities in loss position for more than 12 months, Fair Value	37,077	22,057
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	(1,681)	(192)
Available-for-sale securities in loss position, Total, Fair Value	89,644	37,890
Available-for-sale securities in loss position, Gross Unrealized Losses	(2,601)	(207)
Held-to-maturity securities in loss position for
Held-to-maturity securities in loss position for less than 12 months, Fair Value	0	15,140
Held-to-maturity securities in loss position for less than 12 months, Gross Unrealized Losses	0	(420)
Held-to-maturity securities in loss position for more than 12 months, Fair Value	0	53,372
Held-to-maturity securities in loss position for more than 12 months, Gross Unrealized Losses	0	(9,625)
Held-to-maturity securities in loss position, Total, Fair Value	0	68,512
Held-to-maturity securities in loss position, Gross Unrealized Losses	0	(10,045)
Mortgage-backed securities (RMBS)
Available-for-sale securities in loss position for
Available-for-sale securities in loss position for less than 12 months, Fair Value	22,666	0
Available-for-sale securities in loss position, Gross Unrealized Losses	(424)	0
Available-for-sale securities in loss position for more than 12 months, Fair Value	28,076	5,094
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	(1,674)	(23)
Available-for-sale securities in loss position, Total, Fair Value	50,742	5,094
Available-for-sale securities in loss position, Gross Unrealized Losses	(2,098)	(23)
U.S. Agencies
Available-for-sale securities in loss position for
Available-for-sale securities in loss position for less than 12 months, Fair Value	19,611	0
Available-for-sale securities in loss position, Gross Unrealized Losses	(381)	0
Available-for-sale securities in loss position for more than 12 months, Fair Value	2,351	5,094
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	(98)	(23)
Available-for-sale securities in loss position, Total, Fair Value	21,962	5,094
Available-for-sale securities in loss position, Gross Unrealized Losses	(479)	(23)
Non-Agency RMBS
Available-for-sale securities in loss position for
Available-for-sale securities in loss position for less than 12 months, Fair Value	3,055	0
Available-for-sale securities in loss position, Gross Unrealized Losses	(43)	0
Available-for-sale securities in loss position for more than 12 months, Fair Value	25,725	0
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	(1,576)	0
Available-for-sale securities in loss position, Total, Fair Value	28,780	0
Available-for-sale securities in loss position, Gross Unrealized Losses	(1,619)	0
Other Debt Securities
Available-for-sale securities in loss position for
Available-for-sale securities in loss position for less than 12 months, Fair Value	29,901	15,833
Available-for-sale securities in loss position, Gross Unrealized Losses	(496)	(15)
Available-for-sale securities in loss position for more than 12 months, Fair Value	9,001	16,963
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	(7)	(169)
Available-for-sale securities in loss position, Total, Fair Value	38,902	32,796
Available-for-sale securities in loss position, Gross Unrealized Losses	(503)	(184)
Municipal
Available-for-sale securities in loss position for
Available-for-sale securities in loss position for less than 12 months, Fair Value	19,533	10,267
Available-for-sale securities in loss position, Gross Unrealized Losses	(449)	(10)
Available-for-sale securities in loss position for more than 12 months, Fair Value	9,001	0
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	(7)	0
Available-for-sale securities in loss position, Total, Fair Value	28,534	10,267
Available-for-sale securities in loss position, Gross Unrealized Losses	(456)	(10)
Non-agency
Available-for-sale securities in loss position for
Available-for-sale securities in loss position for less than 12 months, Fair Value	10,368	5,566
Available-for-sale securities in loss position, Gross Unrealized Losses	(47)	(5)
Available-for-sale securities in loss position for more than 12 months, Fair Value	0	16,963
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	0	(169)
Available-for-sale securities in loss position, Total, Fair Value	10,368	22,529
Available-for-sale securities in loss position, Gross Unrealized Losses	(47)	(174)
Mortgage-backed securities (RMBS)
Held-to-maturity securities in loss position for
Held-to-maturity securities in loss position for less than 12 months, Fair Value	0	15,140
Held-to-maturity securities in loss position for less than 12 months, Gross Unrealized Losses	0	(420)
Held-to-maturity securities in loss position for more than 12 months, Fair Value	0	53,372
Held-to-maturity securities in loss position for more than 12 months, Gross Unrealized Losses	0	(9,625)
Held-to-maturity securities in loss position, Total, Fair Value	0	68,512
Held-to-maturity securities in loss position, Gross Unrealized Losses	0	(10,045)
Other Debt Securities
Held-to-maturity securities in loss position for
Held-to-maturity securities in loss position for less than 12 months, Fair Value	0	0
Held-to-maturity securities in loss position for less than 12 months, Gross Unrealized Losses	0	0
Held-to-maturity securities in loss position for more than 12 months, Fair Value	0	0
Held-to-maturity securities in loss position for more than 12 months, Gross Unrealized Losses	0	0
Held-to-maturity securities in loss position, Total, Fair Value	0	0
Held-to-maturity securities in loss position, Gross Unrealized Losses	$ 0	$ 0