Liability for Unpaid Loss and Loss Adjustmene Expense (Details Textuals) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2013
Liability for Unpaid Loss and Loss Adjustment Expense
Net favorable development for international segment	$ 2,300,000	$ 2,300,000
Net favorable development for us surety & credit segment	9,500,000	9,500,000
Net favorable development for surety line	3,700,000	3,700,000
Net favorable development for credit line	$ 5,800,000	$ 5,800,000