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Legal Proceedings (Details) | Sep. 30, 2012 trusts | Dec. 09, 2009 | Aug. 06, 1999
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Legal Proceedings [Abstract] |  |  |
Date of Lawsuit Filed |  |  | Aug. 06, 1999
Date of Trial Court Ruling |  | Dec. 09, 2009 |
Number of Non U.S. Trusts | 2 |  |

X
- Definition Date in which a lawsuit was filed against the Company. + References No definition available. + Details
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Namespace Prefix: | cia_
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Balance Type: | na
Period Type: | instant

X
- Definition Date of which the trial court denied recertification of a class action lawsuit previously brought against the Company. + References No definition available. + Details
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Namespace Prefix: | cia_
Data Type: | xbrli:dateItemType
Balance Type: | na
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X
- Definition The number of non U.S. trusts which accumulate ownership of the Company's Class A common stock for policyholders and associates. + References No definition available. + Details
Name: | cia_ExtendedUnitOfTrust
Namespace Prefix: | cia_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | cia_LegalProceedingsAbstract
Namespace Prefix: | cia_
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