Allowance For Loan Losses And Impaired Assets (Schedule Of Delinquencies In Loan Portfolio) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Mar. 31, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	$ 3,286	$ 6,326
Greater Than 60-89 Days	2,076	1,509
Greater Than 90 Days	10,673	10,869
Total Past Due	16,035	18,704
Non Accrual	14,882	15,173
Residential Real Estate: 1-4 Family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days		2,771
Greater Than 60-89 Days	380
Greater Than 90 Days	1,684	2,217
Total Past Due	2,064	4,988
Non Accrual	3,391	3,734
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	1,401	1,702
Greater Than 60-89 Days	1,070	1,152
Greater Than 90 Days	5,810	4,976
Total Past Due	8,281	7,830
Non Accrual	7,318	7,141
Residential Real Estate: Home Equity Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	38	112
Greater Than 60-89 Days		154
Greater Than 90 Days	50	84
Total Past Due	88	350
Non Accrual	219	170
Consumer Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	80	100
Greater Than 60-89 Days		49
Greater Than 90 Days	17	47
Total Past Due	97	196
Non Accrual	48	56
Commercial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 Days	1,767	1,641
Greater Than 60-89 Days	626	154
Greater Than 90 Days	3,112	3,545
Total Past Due	5,505	5,340
Non Accrual	$ 3,906	$ 4,072