Losses and Loss Adjustment Expenses Incurred and Paid (Details Textual) (USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012	Jun. 30, 2011	Jun. 30, 2010
Losses and Loss Adjustment Expenses Incurred and Paid (Textual) [Abstract]
Unpaid losses and loss adjustment expenses	$ 5.6	$ 4.0	$ 1.7	$ 11.2