SECURITIES - SCHEDULE OF UNREALIZED LOSS ON INVESTMENTS (Details) $ in Thousands	Jun. 30, 2015 USD ($) security	Jun. 30, 2014 USD ($) security
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale securities in loss position for less than 12 months, Fair Value	$ 22,102	$ 7,231
Available-for-sale securities in loss position for less than 12 months, Gross Unrealized Losses	(374)	(81)
Available-for-sale securities in loss position for more than 12 months, Fair Value	24,974	31,546
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	(946)	(2,016)
Available-for-sale securities in loss position, Total, Fair Value	47,076	38,777
Available-for-sale securities in loss position, Total, Gross Unrealized Losses	(1,320)	(2,097)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Held-to-maturity securities in loss position for less than 12 months, Fair Value	23,450	5,871
Held-to-maturity securities for less than 12 months, Gross Unrealized Losses	(1,802)	(400)
Held-to-maturity securities in loss position for more than 12 months, Fair Value	67,090	66,975
Held-to-maturity securities in loss position for more than 12 months, Gross Unrealized Losses	(10,947)	(15,090)
Held-to-maturity securities in loss position, Total, Fair Value	90,540	72,846
Held-to-maturity securities in loss position, Total, Gross Unrealized Losses	$ (12,749)	$ (15,490)
Number of securities in a continuous loss position | security	32	35
Mortgage-backed securities (RMBS)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale securities in loss position for less than 12 months, Fair Value	$ 1,644	$ 1,819
Available-for-sale securities in loss position for less than 12 months, Gross Unrealized Losses	(3)	(33)
Available-for-sale securities in loss position for more than 12 months, Fair Value	24,974	27,900
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	(946)	(2,007)
Available-for-sale securities in loss position, Total, Fair Value	26,618	29,719
Available-for-sale securities in loss position, Total, Gross Unrealized Losses	(949)	(2,040)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Held-to-maturity securities in loss position for less than 12 months, Fair Value	23,450	5,871
Held-to-maturity securities for less than 12 months, Gross Unrealized Losses	(1,802)	(400)
Held-to-maturity securities in loss position for more than 12 months, Fair Value	67,090	66,975
Held-to-maturity securities in loss position for more than 12 months, Gross Unrealized Losses	(10,947)	(15,090)
Held-to-maturity securities in loss position, Total, Fair Value	90,540	72,846
Held-to-maturity securities in loss position, Total, Gross Unrealized Losses	(12,749)	(15,490)
U.S. agencies
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale securities in loss position for less than 12 months, Fair Value	369	0
Available-for-sale securities in loss position for less than 12 months, Gross Unrealized Losses	(2)	0
Available-for-sale securities in loss position for more than 12 months, Fair Value	24,974	25,498
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	(946)	(1,850)
Available-for-sale securities in loss position, Total, Fair Value	25,343	25,498
Available-for-sale securities in loss position, Total, Gross Unrealized Losses	(948)	(1,850)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Held-to-maturity securities in loss position for less than 12 months, Fair Value	0	0
Held-to-maturity securities 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	1
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	1
Held-to-maturity securities in loss position, Total, Gross Unrealized Losses	0	0
Non-agency
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale securities in loss position for less than 12 months, Fair Value	1,275	1,819
Available-for-sale securities in loss position for less than 12 months, Gross Unrealized Losses	(1)	(33)
Available-for-sale securities in loss position for more than 12 months, Fair Value	0	2,402
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	0	(157)
Available-for-sale securities in loss position, Total, Fair Value	1,275	4,221
Available-for-sale securities in loss position, Total, Gross Unrealized Losses	(1)	(190)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Held-to-maturity securities in loss position for less than 12 months, Fair Value	23,450	5,871
Held-to-maturity securities for less than 12 months, Gross Unrealized Losses	(1,802)	(400)
Held-to-maturity securities in loss position for more than 12 months, Fair Value	67,090	66,974
Held-to-maturity securities in loss position for more than 12 months, Gross Unrealized Losses	(10,947)	(15,090)
Held-to-maturity securities in loss position, Total, Fair Value	90,540	72,845
Held-to-maturity securities in loss position, Total, Gross Unrealized Losses	(12,749)	(15,490)
Other Debt Securities
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale securities in loss position for less than 12 months, Fair Value	20,458	5,412
Available-for-sale securities in loss position for less than 12 months, Gross Unrealized Losses	(371)	(48)
Available-for-sale securities in loss position for more than 12 months, Fair Value	0	3,646
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	0	(9)
Available-for-sale securities in loss position, Total, Fair Value	20,458	9,058
Available-for-sale securities in loss position, Total, Gross Unrealized Losses	(371)	(57)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Held-to-maturity securities in loss position for less than 12 months, Fair Value	0	0
Held-to-maturity securities 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, Total, Gross Unrealized Losses	0	0
U.S. agencies
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale securities in loss position for less than 12 months, Fair Value	0
Available-for-sale securities in loss position for less than 12 months, Gross Unrealized Losses	0
Available-for-sale securities in loss position for more than 12 months, Fair Value	0
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	0
Available-for-sale securities in loss position, Total, Fair Value	0
Available-for-sale securities in loss position, Total, Gross Unrealized Losses	0
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Held-to-maturity securities in loss position for less than 12 months, Fair Value	0
Held-to-maturity securities for less than 12 months, Gross Unrealized Losses	0
Held-to-maturity securities in loss position for more than 12 months, Fair Value	0
Held-to-maturity securities in loss position for more than 12 months, Gross Unrealized Losses	0
Held-to-maturity securities in loss position, Total, Fair Value	0
Held-to-maturity securities in loss position, Total, Gross Unrealized Losses	0
Municipal
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale securities in loss position for less than 12 months, Fair Value	1,358	47
Available-for-sale securities in loss position for less than 12 months, Gross Unrealized Losses	(86)	0
Available-for-sale securities in loss position for more than 12 months, Fair Value	0	2,257
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	0	(3)
Available-for-sale securities in loss position, Total, Fair Value	1,358	2,304
Available-for-sale securities in loss position, Total, Gross Unrealized Losses	(86)	(3)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Held-to-maturity securities in loss position for less than 12 months, Fair Value	0	0
Held-to-maturity securities 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, Total, Gross Unrealized Losses	0	0
Non-agency
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Available-for-sale securities in loss position for less than 12 months, Fair Value	19,100	5,365
Available-for-sale securities in loss position for less than 12 months, Gross Unrealized Losses	(285)	(48)
Available-for-sale securities in loss position for more than 12 months, Fair Value	0	1,389
Available-for-sale securities in loss position for more than 12 months, Gross Unrealized Losses	0	(6)
Available-for-sale securities in loss position, Total, Fair Value	19,100	6,754
Available-for-sale securities in loss position, Total, Gross Unrealized Losses	(285)	(54)
Held-to-maturity Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Held-to-maturity securities in loss position for less than 12 months, Fair Value	0	0
Held-to-maturity securities 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, Total, Gross Unrealized Losses	$ 0	$ 0