SECURITIES INVESTMENTS CLASSIFIED BY CONTRACTUAL MATURITY DATE (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012		Jun. 30, 2011
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Securities, Available-for-sale, Fair Value	$ 164,159		$ 145,671
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount	313,032
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Held-to-maturity Securities, Debt Maturities, Fair Value	318,252
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis	155,437
Trading Securities, Fair Value Disclosure	5,838
U.S. agencies
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Held-to-maturity Securities, Debt Maturities, within One Year, Net Carrying Amount	2,513	[1]
Held-to-maturity Securities, Debt Maturities, after One Through Five Years, Net Carrying Amount	9,671	[1]
Held-to-maturity Securities, Debt Maturities, after Five Through Ten Years, Net Carrying Amount	11,041	[1]
Held-to-maturity Securities, Debt Maturities, after Ten Years, Net Carrying Amount	43,812	[1]
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount	67,037	[1]
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Held-to-maturity Securities, Debt Maturities, Next Twelve Months, Fair Value	2,643	[1]
Held-to-maturity Securities, Debt Maturities, Year Two Through Five, Fair Value	10,169	[1]
Held-to-maturity Securities, Debt Maturities, Year Six Through Ten, Fair Value	11,610	[1]
Held-to-maturity Securities, Debt Maturities, after Ten Years, Fair Value	46,191	[1]
Held-to-maturity Securities, Debt Maturities, Fair Value	70,613	[1]
Non-agency
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Held-to-maturity Securities, Debt Maturities, within One Year, Net Carrying Amount	31,576
Held-to-maturity Securities, Debt Maturities, after One Through Five Years, Net Carrying Amount	69,732
Held-to-maturity Securities, Debt Maturities, after Five Through Ten Years, Net Carrying Amount	34,978
Held-to-maturity Securities, Debt Maturities, after Ten Years, Net Carrying Amount	73,518
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount	209,804
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Held-to-maturity Securities, Debt Maturities, Next Twelve Months, Fair Value	31,521
Held-to-maturity Securities, Debt Maturities, Year Two Through Five, Fair Value	70,538
Held-to-maturity Securities, Debt Maturities, Year Six Through Ten, Fair Value	35,373
Held-to-maturity Securities, Debt Maturities, after Ten Years, Fair Value	71,198
Held-to-maturity Securities, Debt Maturities, Fair Value	208,630
Other Debt Obligations
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount [Abstract]
Held-to-maturity Securities, Debt Maturities, within One Year, Net Carrying Amount	0
Held-to-maturity Securities, Debt Maturities, after One Through Five Years, Net Carrying Amount	108
Held-to-maturity Securities, Debt Maturities, after Five Through Ten Years, Net Carrying Amount	1,791
Held-to-maturity Securities, Debt Maturities, after Ten Years, Net Carrying Amount	34,292
Held-to-maturity Securities, Debt Maturities, Net Carrying Amount	36,191
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Held-to-maturity Securities, Debt Maturities, Next Twelve Months, Fair Value	0
Held-to-maturity Securities, Debt Maturities, Year Two Through Five, Fair Value	113
Held-to-maturity Securities, Debt Maturities, Year Six Through Ten, Fair Value	1,920
Held-to-maturity Securities, Debt Maturities, after Ten Years, Fair Value	36,976
Held-to-maturity Securities, Debt Maturities, Fair Value	39,009
Other Debt Obligations
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis	11,545
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis	11,681
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis	0
Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis	0
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value	11,301
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value	11,687
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value	0
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value	0
Securities, Available-for-sale, Fair Value	22,988		0
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis	23,226
Trading Securities, Debt Maturities, after Ten Years, Fair Value	5,838
Trading Securities, Fair Value Disclosure	5,838
Non-agency
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis	24,511
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis	27,006
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis	13,594
Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis	10,644
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value	25,832
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value	29,571
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value	15,308
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value	12,416
Securities, Available-for-sale, Fair Value	83,127	[2]	83,752	[2]
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis	75,755
U.S. agencies
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis	2,727	[1]
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis	10,766	[1]
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis	12,991	[1]
Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis	29,972	[1]
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value	2,797	[1]
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value	11,034	[1]
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value	13,293	[1]
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value	30,920	[1]
Securities, Available-for-sale, Fair Value	58,044	[1],[3]	61,919	[3]
Held-to-maturity Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis	$ 56,456	[1]

[1] Residential mortgage-backed security (RMBS) distributions include impact of expected prepayments and other timing factors.

[2] Private sponsors of securities collateralized primarily by pools of 1-4 family residential first mortgages . Primarily supersenior securities secured by prime, Alt-A or pay-option ARM mortgages.

[3] U.S. government-backed or government sponsored enterprises including Fannie Mae, Freddie Mac and Ginnie Mae.