Summary of Significant Accounting Policies Future Policy Benefits and Expenses (Details)	12 Months Ended
Dec. 31, 2018
Minimum [Member]
Annuity Interest Crediting Rate	2.50%
Interest Credited on Premium Deposits	2.50%
Maximum [Member]
Annuity Interest Crediting Rate	5.50%
Interest Credited on Premium Deposits	6.00%

The amounts of interested credited to non-traditional life insurance and investment contracts based on contract specifications.

No definition available.

Name:	cia_AnnuityInterestCreditingRate
Namespace Prefix:	cia_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration