Summary of Significant Accounting Policies Investments (Details)	12 Months Ended
Dec. 31, 2013
Investments, Debt and Equity Securities [Abstract]
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Default Rate	40.00%

Other Than Temporary Impairment Losses, Investments, Breakeven Assumption Default Rate

No definition available.

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Namespace Prefix:	frf_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration