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Deposits Deposits and interest rates (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2014 | Mar. 31, 2013
--- | --- | ---
Deposits, by Type [Abstract] |  |
Noninterest-bearing demand | $ 53,232 | $ 58,239
Interest-bearing checking | 24,271 | 25,927
Savings | 98,051 | 98,066
Money market | 127,655 | 113,259
Certificates of deposit | 203,907 | 198,089
Mortgagors deposits | 2,250 | 2,136
Deposits | $ 509,366 | $ 495,716
Percentage of Total Deposits [Abstract] |  |
Percentage of Noninterest bearing demand deposits to deposits | 10.45% | 11.75%
Percentage of Interest-bearing Domestic Deposits to Deposits | 4.77% | 5.23%
Percentage of Interest-bearing Domestic Deposits to Deposits, Savings | 19.25% | 19.78%
Percentage of Interest-bearing Domestic Deposits to Deposits, Money Market | 25.06% | 22.85%
Percentage of Interest-bearing Domestic Deposits to Deposits, Certificates of Deposit | 40.03% | 39.96%
Percentage of other deposits to deposits | 0.44% | 0.43%
Percent Total Deposits | 100.00% | 100.00%
Weighted Average Rate Domestic Deposit Liabilities [Abstract] |  |
Weighted Average Rate Domestic Deposit, Demand | 0.00% | 0.00%
Weighted Average Rate Domestic Deposit, Checking | 0.16% | 0.16%
Weighted Average Rate Domestic Deposit, Savings | 0.27% | 0.26%
Weighted Average Rate Domestic Deposit, Money Market | 0.46% | 0.67%
Weighted Average Rate Domestic Deposit, Certificates of Deposit | 1.01% | 1.16%
Weighted Average Rate-Other Deposit | 1.73% | 1.80%
Weighted Average Rate Domestic Deposit | 0.59% | 0.68%

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- Definition The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 9 + Details
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- Definition Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount of interest-bearing domestic checking deposit liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 9 + Details
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- Definition The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 9 + Details
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- Definition Percentage of interest-bearing domestic money market demand account deposit liabilities to total deposit liabilities. + References No definition available. + Details
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- Definition Amount of deposits that cannot be withdrawn before a set date without penalty or for which notice of withdrawal is required. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.12) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 9 + Details
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- Definition The weighted average interest rate for all domestic deposit liabilities. + References No definition available. + Details
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