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Summary of Significant Accounting Policies Summary of Significant Accounting Policies Text Tag (Details) | 12 Months Ended
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Mar. 31, 2019 USD ($) | Mar. 31, 2018 USD ($) | Mar. 31, 2017 USD ($)
Available-for-sale Securities, Gross Unrealized Losses | $ 1,164,000 | $ 2,726,000 |
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net |  |  | $ 0
FNMA & 3rd party loans excluded from financial statements | 19,400,000 | 23,100,000 |
Number of Reportable Segments |  |  | 1
Mortgage servicing rights | 180,000 | 181,000 |
Servicing fee income | 51,000 | 63,000 |
Other Real Estate, Foreclosed Assets, and Repossessed Assets | 404,000 |  |
Mortgage Loans in Process of Foreclosure, Amount | $ 4,200,000 | 3,300,000 |
Other investments |  |  |
Available-for-sale Securities, Gross Unrealized Losses |  | $ 649,000 |

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- Definition All amounts that, per contract, are due to the servicer in exchange for servicing the financial asset and would no longer be received by a servicer if the beneficial owners of the serviced assets (or their trustees or agents) were to exercise their actual or potential authority under the contract to shift the servicing to another servicer. Depending on the servicing contract, those fees may include some or all of the difference between the interest rate collected on the asset being serviced and the rate to be paid to the beneficial owners of the asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122596-111746 + Details
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- Definition Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL49126937-111524 + Details
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- Definition Carrying amount as of the balance sheet date of other real estate and foreclosed assets. Other real estate may include real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. Foreclosed assets include all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(4)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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