Accounting Pronouncements (Deferred Acquisition Costs) (Details) - USD ($) $ in Thousands	Apr. 01, 2021	Mar. 31, 2021
Liability For Unpaid Claims And Claims Adjustment Expense Net [Abstract]
Balance, end of year March 31, 2021		$ 89,749
Adjustments for removal of related balances in accumulated other comprehensive income		41,438
Adjusted balance, beginning of year April 1, 2021	$ 131,187
Deferred Fixed Annuity [Member]
Liability For Unpaid Claims And Claims Adjustment Expense Net [Abstract]
Balance, end of year March 31, 2021		15,654
Adjustments for removal of related balances in accumulated other comprehensive income		41,438
Adjusted balance, beginning of year April 1, 2021	57,092
Life And Annuity Insurance Product Line [Member]
Liability For Unpaid Claims And Claims Adjustment Expense Net [Abstract]
Balance, end of year March 31, 2021		64,552
Adjustments for removal of related balances in accumulated other comprehensive income		0
Adjusted balance, beginning of year April 1, 2021	64,552
Health Insurance Product Line [Member]
Liability For Unpaid Claims And Claims Adjustment Expense Net [Abstract]
Balance, end of year March 31, 2021		9,543
Adjustments for removal of related balances in accumulated other comprehensive income		$ 0
Adjusted balance, beginning of year April 1, 2021	$ 9,543

The amount needed to reflect the estimated ultimate cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (cc)
-URI https://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437

+ Details

Name:	us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Estimated costs as of the balance sheet date of settling insured claims and costs incurred in the claims settlement process for claims that have not yet been submitted to the insurance company for reimbursement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 5.W)
-URI https://asc.fasb.org/extlink&oid=27015833&loc=d3e570705-122907

+ Details

Name:	us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

Name:	us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Costs of settling insured claims and costs incurred in the claims settlement process for the specified year specifically for claims that have already been submitted to the insurance company for reimbursement.

+ References

No definition available.

+ Details

Name:	us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseReportedClaimsAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	srt_ProductOrServiceAxis=us-gaap_DeferredFixedAnnuityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=us-gaap_LifeAndAnnuityInsuranceProductLineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=us-gaap_HealthInsuranceProductLineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: