Fair Value Measurement Disclosures (Assets Measured At Fair Value On A Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Mar. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	$ 57,822	$ 61,587
Quoted Prices In Active Markets For Identical Assets Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	1,178	3,320
Significant Other Observable Inputs Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	56,228	58,267
Significant Unobservable Inputs Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	416
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	57,822	61,587
Fair Value, Measurements, Recurring [Member] | Quoted Prices In Active Markets For Identical Assets Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	1,178	3,320
Fair Value, Measurements, Recurring [Member] | Significant Other Observable Inputs Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	56,225	58,267
Fair Value, Measurements, Recurring [Member] | Significant Unobservable Inputs Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	419
Fair Value, Measurements, Recurring [Member] | Debt Securities Issued By The U.S. Treasury And Other U.S. Government Corporations And Agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	4,611	6,470
Fair Value, Measurements, Recurring [Member] | Debt Securities Issued By The U.S. Treasury And Other U.S. Government Corporations And Agencies | Quoted Prices In Active Markets For Identical Assets Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	350	1,369
Fair Value, Measurements, Recurring [Member] | Debt Securities Issued By The U.S. Treasury And Other U.S. Government Corporations And Agencies | Significant Other Observable Inputs Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	4,261	5,101
Fair Value, Measurements, Recurring [Member] | Debt Securities Issued By The U.S. Treasury And Other U.S. Government Corporations And Agencies | Significant Unobservable Inputs Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale
Fair Value, Measurements, Recurring [Member] | Debt Securities Issued By The States Of The United States And Political Subdivisions Of The States
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	26,529	25,361
Fair Value, Measurements, Recurring [Member] | Debt Securities Issued By The States Of The United States And Political Subdivisions Of The States | Quoted Prices In Active Markets For Identical Assets Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	828	1,941
Fair Value, Measurements, Recurring [Member] | Debt Securities Issued By The States Of The United States And Political Subdivisions Of The States | Significant Other Observable Inputs Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	25,282	23,420
Fair Value, Measurements, Recurring [Member] | Debt Securities Issued By The States Of The United States And Political Subdivisions Of The States | Significant Unobservable Inputs Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	419
Fair Value, Measurements, Recurring [Member] | Mortgage-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	26,682	29,756
Fair Value, Measurements, Recurring [Member] | Mortgage-Backed Securities [Member] | Quoted Prices In Active Markets For Identical Assets Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale		10
Fair Value, Measurements, Recurring [Member] | Mortgage-Backed Securities [Member] | Significant Other Observable Inputs Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale	26,682	29,746
Fair Value, Measurements, Recurring [Member] | Mortgage-Backed Securities [Member] | Significant Unobservable Inputs Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale