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Investment Securities Text Tags (Details) | 9 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Mar. 31, 2022 USD ($)
Schedule of Investments [Line Items] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 26 |  | 23
Proceeds from Sale of Debt Securities, Available-for-sale | $ 0 | $ 0 |
Debt Securities, Available-for-sale | $ 53,443,000 |  | $ 67,596,000
Percentage Available-for-sale Securities | 95.70% |  |
Debt Securities, Held-to-maturity | $ 2,406,000 |  | 5,254,000
Percentage Held-to-maturity Securities | 4.30% |  |
Trading | $ 0 |  | 0
Bank Owned Life Insurance | 5,100,000 |  |
Other Investments | $ 6,200,000 |  |
Mortgage-backed securities |  |  |
Schedule of Investments [Line Items] |  |  |
Percentage Available-for-Sale, Continuos Unrealized Loss Position | 51.20% |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 6 |  |
Debt Securities, Available-for-sale | $ 27,348,000 |  | 33,579,000
US Government Agency Securities |  |  |
Schedule of Investments [Line Items] |  |  |
Percentage Available-for-Sale, Continuos Unrealized Loss Position | 18.40% |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 2 |  |
Debt Securities, Available-for-sale | $ 9,822,000 |  | 13,785,000
Municipal Securities |  |  |
Schedule of Investments [Line Items] |  |  |
Percentage Available-for-Sale, Continuos Unrealized Loss Position | 24.80% |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 5 |  |
Debt Securities, Available-for-sale | $ 13,228,000 |  | 15,768,000
Corporate Bonds |  |  |
Schedule of Investments [Line Items] |  |  |
Percentage Available-for-Sale, Continuos Unrealized Loss Position | 5.50% |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 1 |  |
Debt Securities, Available-for-sale | $ 2,945,000 |  | 4,121,000
Asset-backed Securities |  |  |
Schedule of Investments [Line Items] |  |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 1 |  |
Debt Securities, Available-for-sale | $ 100,000 |  | $ 343,000

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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