Investments, Part III (Details) (Recurring [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	$ 260,597	$ 245,215
Derivative [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Liabilities at fair value	342	876
Fixed maturities [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	230,188	217,348
Equity securities [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	11,539	8,348
Cash equivalents [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	18,870	19,519
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	22,929	22,893
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Derivative [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Liabilities at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed maturities [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity securities [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	4,059	3,374
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Cash equivalents [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	18,870	19,519
Significant Other Observable Inputs (Level 2) [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	235,568	220,287
Significant Other Observable Inputs (Level 2) [Member] | Derivative [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Liabilities at fair value	0	0
Significant Other Observable Inputs (Level 2) [Member] | Fixed maturities [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	228,088	215,313
Significant Other Observable Inputs (Level 2) [Member] | Equity securities [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	7,480	4,974
Significant Other Observable Inputs (Level 2) [Member] | Cash equivalents [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	2,100	2,035
Significant Unobservable Inputs (Level 3) [Member] | Derivative [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Liabilities at fair value	342	876
Significant Unobservable Inputs (Level 3) [Member] | Fixed maturities [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	2,100	2,035
Significant Unobservable Inputs (Level 3) [Member] | Equity securities [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member] | Cash equivalents [Member]
Financial instruments carried at fair value measured on a recurring basis [Abstract]
Assets at fair value	$ 0	$ 0