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Schedule of Realized Gain (Loss) (Details) - USD ($) | 3 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Investments, Debt and Equity Securities [Abstract] |  |
Proceeds from Sale of Available-for-sale Securities | $ 0 | $ 30,190,000
Available-for-sale Securities, Gross Realized Gains |  | $ 862,000

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Period Type: | duration

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- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26853-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585 + Details
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