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General (Details) (USD $) Share data in Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
General [Abstract]
Potentially dilutive securities (in shares)	69	64	87	63
Deferred policy acquisition cost amortization	$ 126,393,000	$ 117,726,000	$ 250,115,000	$ 235,156,000
Advertising expenses			$ 11,000,000	$ 10,000,000

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 720

-SubTopic 35

-Section 50

-Paragraph 1

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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-Name Accounting Standards Codification

-Glossary Contingent Stock Agreement

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Amount of expense related to deferred policy acquisition costs.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 16

-Article 12



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-Name Accounting Standards Codification

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-Section S99

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