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Deposits Deposits liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2016 | Mar. 31, 2015
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Deposits [Abstract] |  |
Percentage of Noninterest bearing demand deposits to deposits | 9.32% | 9.61%
Percentage of Interest-bearing Domestic Deposits to Deposits | 5.46% | 5.85%
Percentage of Interest-bearing Domestic Deposits to Deposits, Savings | 15.70% | 18.00%
Percentage of Interest-bearing Domestic Deposits to Deposits, Money Market | 26.93% | 28.18%
Percentage of Interest-bearing Domestic Deposits to Deposits, Certificates of Deposit | 42.17% | 37.92%
Percentage of other deposits to deposits | 0.42% | 0.44%
Percent Total Deposits | 100.00% | 100.00%
Deposits, by Type [Abstract] |  |
Noninterest-bearing demand | $ 56,634 | $ 50,731
Interest-bearing checking | 33,106 | 30,860
Savings | 95,230 | 95,009
Money market | 163,380 | 148,702
Certificates of deposit | 255,854 | 200,123
Mortgagors deposits | 2,537 | 2,336
Deposits | $ 606,741 | $ 527,761
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% | 0.27%
Weighted Average Rate Domestic Deposit, Money Market | 0.52% | 0.49%
Weighted Average Rate Domestic Deposit, Certificates of Deposit | 0.92% | 0.93%
Weighted Average Rate-Other Deposit | 1.22% | 1.53%
Weighted Average Rate Domestic Deposit | 0.59% | 0.55%

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- Definition Percentage of Noninterest bearing demand deposits to deposits + References No definition available. + Details
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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 + 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 + 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 + Details
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- Definition Percentage of interest-bearing domestic certificates of deposit liabilities to total deposit liabilities. + References No definition available. + 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 time deposit liabilities, including certificates of deposit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=50488274&loc=d3e64164-112818 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Industry Guide -Number 3 -Section V -Paragraph D-E + Details
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- Definition The weighted average interest rate for domestic checking deposit liabilities. + References No definition available. + Details
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