Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2012	Mar. 31, 2012
Condensed Consolidated Balance Sheets [Abstract]
Loans, net of allowance for loan losses	$ 5,815	$ 5,697
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	19,000,000	19,000,000
Common stock, shares issued	6,947,012	6,945,591
Unearned ESOP shares	147,641	147,641
Treasury stock, shares	1,139,328	998,967
Unearned shares, stock-based plans, shares	0	0