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Derivatives (Equity Market Contracts Designated As Hedging Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Mar. 31, 2023
--- | --- | ---
Notional Amount Of Derivatives [Abstract] |  |
Derivative Liability, Notional Amount | $ 204,227 | $ 206,347
Equity Swap [Member] |  |
Notional Amount Of Derivatives [Abstract] |  |
Notional amount (lease) | 7,539 | 4,295
Derivative Liability, Notional Amount | 0 | 0
Derivative Notional Amount | $ 362,436 | $ 465,701

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- Definition Nominal or face amount used to calculate payments on the derivative asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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