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Accounting Pronouncements (Deferred Future Policy Benefits) (Details) - USD ($) $ in Thousands | Apr. 01, 2021 | Mar. 31, 2021
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Liability For Unpaid Claims And Claims Adjustment Expense Net [Abstract] |  |
Balance, end of year March 31, 2021 | $ 337,022 |
Change in discount rate assumptions |  | $ 123,132
Change in cash flow assumptions, net of premiums exceeding gross premiums |  | 1,747
Change in cash flow assumptions, effect of decrease of the deferred profit liability |  | 2,580
Adjusted balance, beginning of year April 1, 2021 | 464,481 |
Deferred Fixed Annuity [Member] |  |
Liability For Unpaid Claims And Claims Adjustment Expense Net [Abstract] |  |
Balance, end of year March 31, 2021 | 8,370 |
Change in discount rate assumptions |  | 2,307
Change in cash flow assumptions, net of premiums exceeding gross premiums |  | 0
Change in cash flow assumptions, effect of decrease of the deferred profit liability |  | 0
Adjusted balance, beginning of year April 1, 2021 | 10,677 |
Life And Annuity Insurance Product Line [Member] |  |
Liability For Unpaid Claims And Claims Adjustment Expense Net [Abstract] |  |
Balance, end of year March 31, 2021 | 310,311 |
Change in discount rate assumptions |  | 115,978
Change in cash flow assumptions, net of premiums exceeding gross premiums |  | 1,747
Change in cash flow assumptions, effect of decrease of the deferred profit liability |  | 2,580
Adjusted balance, beginning of year April 1, 2021 | 430,616 |
Health Insurance Product Line [Member] |  |
Liability For Unpaid Claims And Claims Adjustment Expense Net [Abstract] |  |
Balance, end of year March 31, 2021 | 18,341 |
Change in discount rate assumptions |  | 4,847
Change in cash flow assumptions, net of premiums exceeding gross premiums |  | 0
Change in cash flow assumptions, effect of decrease of the deferred profit liability |  | $ 0
Adjusted balance, beginning of year April 1, 2021 | $ 23,188 |

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- Definition Change in cash flow assumptions, net of premiums exceeding in gross premiums. + References No definition available. + Details
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- Definition Amount, before tax, of accumulated other comprehensive income (loss) (AOCI) from increase (decrease) in expected net premium component of liability for future policy benefit from change in discount rate. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29E Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480016/944-40-65-2 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 13I -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-13I Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
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- Definition Amount, before effect of reinsurance and after current period update of cash flow assumption and discount rate change, of expected net premium component of liability for future policy benefit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 2 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480016/944-40-65-2 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29E -Publisher FASB -URI https://asc.fasb.org//1943274/2147480046/944-40-55-29E Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480081/944-40-50-6 + Details
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