Investment Securities Carrying Value (Amortized Cost) and Fair Value by remaining period of contractual maturity (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Mar. 31, 2013
INVESTMENT SECURITIES [Abstract]
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis	$ 7,000
Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value	6,981
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Weighted Average Rate	0.79%
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis	25,176
Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value	23,835
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Weighted Average Rate	1.66%
Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis	62,057
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value	58,645
Available-for-sale Securities, Debt Maturities, after Ten Years, Weighted Average Rate	1.75%
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis	94,233
Available-for-sale	89,461	116,051
Available-for-sale Securities, Debt Maturities, Weighted Average Rate	1.65%
Held-to-maturity Securities, Debt Maturities, after Five Through Ten Years, Net Carrying Amount	5,079
Held-to-maturity Securities, Debt Maturities, Year Six Through Ten, Fair Value	4,796
Held-to-maturity Securities, Debt Maturities, after Five Through Ten Years, Weighted Average Rate	2.37%
Held-to-maturity Securities, Debt Maturities, after Ten Years, Net Carrying Amount	3,950
Held-to-maturity Securities, Debt Maturities, after Ten Years, Fair Value	4,175
Held-to-maturity Securities, Debt Maturities, after Ten Years, Weighted Average Rate	3.97%
Held-to-maturity	9,029	9,043
Held-to-maturity securities fair value	$ 8,971	$ 9,629
Held-to-maturity Securities, Debt Maturities, Weighted Average Rate	3.07%