Equity (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2020	Mar. 31, 2020
Equity [Abstract]
Target Capital Level Foreign Regulation Percent	120.00%
Required Amount to Meet Target Minimum Capital, Foreign Regulation		$ 8.9

The minimum amount of capital and surplus necessary to meet the target capital level for capital adequacy purposes under regulatory framework.

No definition available.

Name:	cia_RequiredAmountToMeetTargetMinimumCapitalForeignRegulation
Namespace Prefix:	cia_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant