Summary of Significant Accounting Policies Cost of Customer Relationships Acquired (Details)	12 Months Ended
Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of years of available premiums	50 years
Minimum [Member] \| Customer Relationships [Member]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest Accrual Rate Associated with Amortization Method of Present Value of Future Insurance Profits	3.70%
Deferred Policy Acquisition Cost [Line Items]
Interest Accrual Rate Associated with Amortization Method of Present Value of Future Insurance Profits	3.70%
Maximum [Member] \| Customer Relationships [Member]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest Accrual Rate Associated with Amortization Method of Present Value of Future Insurance Profits	8.50%
Deferred Policy Acquisition Cost [Line Items]
Interest Accrual Rate Associated with Amortization Method of Present Value of Future Insurance Profits	8.50%

The estimated number of years of available premiums (gross premium less the benefit and expense portion of premium) as determined through an annual recoverability test used in calculating deferred policy acquisition costs.

No definition available.

+ Details

Name:	cia_Numberofyearsofavailablepremiums
Namespace Prefix:	cia_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479432/944-30-50-2B

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 944
-SubTopic 30
-Name Accounting Standards Codification
-Section 55
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479401/944-30-55-2

+ Details

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

- Definition

Rate of interest used in determination of present value of future profits on insurance contract acquired in business combination.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 20
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479735/944-20-S99-2

+ Details

Name:	us-gaap_InterestAccrualRateAssociatedWithAmortizationMethodOfPresentValueOfFutureInsuranceProfits
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: