Summary of Significant Accounting Policies Premium Revenue & Related Expenses (Details)	12 Months Ended
Dec. 31, 2018
Minimum [Member]
Interest Credited on Premium Deposits	2.50%
Maximum [Member]
Interest Credited on Premium Deposits	6.00%

Rate of interest credited on premium deposits for insurance contracts

No definition available.

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