Adoption of Accounting Pronouncements (Cash Flow Information) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011
(Increase) decrease in deferred policy acquisition costs	$ (25,744)	$ (10,828)
Increase (decrease) in net federal income taxes recoverable	(1,050)	(9,426)
As Previously Reported [Member]
(Increase) decrease in deferred policy acquisition costs		(10,417)
Increase (decrease) in net federal income taxes recoverable		(9,570)
Add: Adjustment for the cumulative effect on prior years of applying retroactively the new method of accounting for deferred policy acquisition costs [Member]
(Increase) decrease in deferred policy acquisition costs		(411)
Increase (decrease) in net federal income taxes recoverable		$ 144

Total net Increase or Decrease in changes to deferred policy acquisition costs due to one or more transactions, including amortization of costs and modifications or internal replacements of existing insurance contracts.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 30

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6967983&loc=d3e11264-158415

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