Recently Issued Accounting Pronouncements (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	1 Months Ended
Dec. 31, 2011
Recently Issued Accounting Pronouncements (Textual) [Abstract]
Reduction of deferred policy acquisition costs	$ 2.2
Decrease in deferred income tax liabilities	0.8
Decrease to shareholders' equity	$ 1.4
Reduction in book value per share	$ 0.08

Represents the quantification of the effect of adopting the new accounting standard or change in accounting principle expected by the entity to have a significant effect on the entity's financial statements.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 605

-SubTopic 25

-Section 65

-Paragraph 1

-Subparagraph (c)(4)

-URI http://asc.fasb.org/extlink&oid=19771798&loc=SL6749767-165964

Name:	us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration