Borrowed Money Borrowed Money Text tag (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	6 Months Ended	12 Months Ended
		Sep. 30, 2009	Sep. 30, 2011	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2003	Sep. 17, 2003
Debt Disclosure [Abstract]
Borrowing limit from FHLB % of assets				30.00%
Federal Home Loan Bank, Advances, Activity for Year, Maximum Outstanding at any Month End				$ 204,000
Federal Home Loan Bank of New York (“FHLB-NY”) stock				3,519	$ 3,101
Loans Pledged as Collateral				58,400
Financial Instruments, Owned and Pledged as Collateral, at Fair Value				42,200
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds				6,100
Accrued interest FHLB				0	0
Interest Expense, Federal Home Loan Bank and Federal Reserve Bank Advances, Long-term				500	600
Federal Home Loan Bank, Advances, Maturities Summary, Due in Year Five	[1]				25,000
subordinated debt issued shares							13,000
Liquidation amount subordinated debt							$ 1,000
Proceeds from Issuance of Long-term Debt						$ 13,000
Proceeds from (Payments for) Other Financing Activities				13,000	$ (6,000)	400
Payments for Repurchase of Trust Preferred Securities						$ 13,400
Debt Instrument, Basis Spread on Variable Rate					3.05%
Proceeds from Issuance of Subordinated Long-term Debt		$ 5,000
Private placement subordinated debt interest rate last 2 years		12.00%
Private placement subordinated debt reduced interest rate			2.00%
Private placement subordinated debt interest rate 1st 7 years		7.00%
Accrued interest expense subordinated debt				1,600	$ 1,200
Interest Expense, Subordinated Notes and Debentures				$ 500	$ 600

[1] (1) Effective rate is 2.13% which includes the net impact of the amortization of the termination fee on restructured borrowing.