Loans and Allowances for Loan Losses (Details 8) (USD $)	Mar. 31, 2013	Mar. 31, 2012
Financial Receivable Modifications Subsequent Default
Number of Loans, Subsequent Default	5	1
Outstanding Recorded Investment at Default	$ 281,767	$ 2,769
Residential 1-4 family
Financial Receivable Modifications Subsequent Default
Number of Loans, Subsequent Default	1
Outstanding Recorded Investment at Default	137,578
Commercial real estate and multifamily
Financial Receivable Modifications Subsequent Default
Number of Loans, Subsequent Default	1
Outstanding Recorded Investment at Default	99,216
Construction and land
Financial Receivable Modifications Subsequent Default
Number of Loans, Subsequent Default	1
Outstanding Recorded Investment at Default	5,353
Commercial
Financial Receivable Modifications Subsequent Default
Number of Loans, Subsequent Default
Outstanding Recorded Investment at Default
Consumer and other
Financial Receivable Modifications Subsequent Default
Number of Loans, Subsequent Default	2	1
Outstanding Recorded Investment at Default	$ 39,620	$ 2,769