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Summary of Significant Accounting Policies Earnings Per Share (Details) | 12 Months Ended
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Dec. 31, 2022
Earnings Per Share [Abstract] |
Basis for Allocating Income to Different Common Stock Classes | The basic and diluted earnings per share of Class B common stock are one half the earnings per share of the Class A common stock.

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- Definition The basis for allocating basic and diluted earnings per share of Class B common stock for one half the earnings per share of the Class A common stock. + References No definition available. + Details
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Namespace Prefix: | cia_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration