6. Allowance For Loan Losses: Schedule of Reconciliation of the Allowance for Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Commercial Business
Loans and Leases Receivable, Allowance, Beginning Balance	$ 2,688	$ 1,822	$ 3,181
Provision for Loan and Lease Losses	928	3,638	1,005
Allowance for Loan and Lease Losses, Charge-offs	(1,606)	(2,801)	(2,371)
Allowance for Doubtful Accounts Receivable, Recoveries	118	29	7
Loans and Leases Receivable, Allowance, Ending Balance	2,128	2,688	1,822
Commercial Real Estate
Loans and Leases Receivable, Allowance, Beginning Balance	5,599	4,744	4,592
Provision for Loan and Lease Losses	1,865	3,681	414
Allowance for Loan and Lease Losses, Charge-offs	(1,494)	(2,826)	(263)
Allowance for Doubtful Accounts Receivable, Recoveries	9		1
Loans and Leases Receivable, Allowance, Ending Balance	5,979	5,599	4,744
Land
Loans and Leases Receivable, Allowance, Beginning Balance	4,906	2,003	5,013
Provision for Loan and Lease Losses	(2,149)	13,692	1,101
Allowance for Loan and Lease Losses, Charge-offs	(1,753)	(10,892)	(4,141)
Allowance for Doubtful Accounts Receivable, Recoveries	1,015	103	30
Loans and Leases Receivable, Allowance, Ending Balance	2,019	4,906	2,003
Multi-Family
Loans and Leases Receivable, Allowance, Beginning Balance	1,121	2,172	423
Provision for Loan and Lease Losses	(197)	2,126	1,749
Allowance for Loan and Lease Losses, Charge-offs	(622)	(3,177)
Allowance for Doubtful Accounts Receivable, Recoveries	239
Loans and Leases Receivable, Allowance, Ending Balance	541	1,121	2,172
Real Estate Construction
Loans and Leases Receivable, Allowance, Beginning Balance	412	820	5,137
Provision for Loan and Lease Losses	(278)	1,690	5
Allowance for Loan and Lease Losses, Charge-offs	(141)	(2,101)	(4,329)
Allowance for Doubtful Accounts Receivable, Recoveries	228	3	7
Loans and Leases Receivable, Allowance, Ending Balance	221	412	820
Consumer Loan
Loans and Leases Receivable, Allowance, Beginning Balance	3,274	1,339	1,574
Provision for Loan and Lease Losses	846	4,670	455
Allowance for Loan and Lease Losses, Charge-offs	(1,310)	(2,750)	(703)
Allowance for Doubtful Accounts Receivable, Recoveries	139	15	13
Loans and Leases Receivable, Allowance, Ending Balance	2,949	3,274	1,339
Unallocated Financing Receivables
Loans and Leases Receivable, Allowance, Beginning Balance	1,921	2,068	1,722
Provision for Loan and Lease Losses	(115)	(147)	346
Loans and Leases Receivable, Allowance, Ending Balance	1,806	1,921	2,068
Loans Receivable, Gross
Loans and Leases Receivable, Allowance, Beginning Balance	19,921	14,968	21,642
Provision for Loan and Lease Losses	900	29,350	5,075
Allowance for Loan and Lease Losses, Charge-offs	(6,926)	(24,547)	(11,807)
Allowance for Doubtful Accounts Receivable, Recoveries	1,748	150	58
Loans and Leases Receivable, Allowance, Ending Balance	$ 15,643	$ 19,921	$ 14,968