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Investment Securities Text Tags (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Mar. 31, 2022
Schedule of Investments [Line Items] |  |  |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | 23 |  |
Proceeds from Sale of Debt Securities, Available-for-sale | $ 0 | $ 0 |
Debt Securities, Available-for-sale | $ 60,718,000 |  | $ 67,596,000
Percentage Available-for-sale Securities | 92.30% |  |
Debt Securities, Held-to-maturity | $ 5,100,000 |  | 5,254,000
Percentage Held-to-maturity Securities | 7.70% |  |
Trading | $ 0 |  |
Mortgage-backed securities |  |  |
Schedule of Investments [Line Items] |  |  |
Percentage Available-for-Sale, Continuos Unrealized Loss Position | 54.60% |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 4 |  |
Debt Securities, Available-for-sale | $ 30,671,000 |  | 33,579,000
US Government Agency Securities |  |  |
Schedule of Investments [Line Items] |  |  |
Percentage Available-for-Sale, Continuos Unrealized Loss Position | 12.50% |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 2 |  |
Debt Securities, Available-for-sale | $ 11,819,000 |  | 13,785,000
Municipal Securities |  |  |
Schedule of Investments [Line Items] |  |  |
Percentage Available-for-Sale, Continuos Unrealized Loss Position | 26.00% |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 1 |  |
Debt Securities, Available-for-sale | $ 14,419,000 |  | 15,768,000
Corporate Bonds |  |  |
Schedule of Investments [Line Items] |  |  |
Percentage Available-for-Sale, Continuos Unrealized Loss Position | 6.30% |  |
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | 1 |  |
Debt Securities, Available-for-sale | $ 3,469,000 |  | $ 4,121,000

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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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