Investments (Details Textual) (USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2012	Dec. 31, 2011
Investments (Textual) [Abstract]
Fixed maturities and cash equivalents on deposit with various insurance departments at fair value	$ 5.9
Fixed maturities and cash equivalents on deposit with another insurance departments at fair value	9.0
Fixed maturities and cash equivalents deposit with various insurance departments at amortized cost fair value	5.3
Fixed maturities and cash equivalents on deposit with another insurance departments at amortized cost fair value	8.9
Non-agency backed - commercial [Member]
Investments (Textual) [Abstract]
Non credit other than temporary impairment for securities	1.0	0.2
Collateralized mortgage obligations [Member]
Investments (Textual) [Abstract]
Non credit other than temporary impairment for securities	$ 1.0	$ 0.2