General Information (Details Textuals) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
General Information [Abstract]
Premiums Receivable, Allowance for Doubtful Accounts	$ 3,600,000	$ 3,700,000
Fiduciary funds included in short-term investments and fixed income securities	227,600,000	222,300,000
Cash collected on long-term mortgage impairment insurance contracts	1,900,000
Proceeds received for terminated interest in mortgage impairment contract			8,300,000
Gain recognized on proceeds from mortgage impairment insurance contract			8,000,000
Fair Value On Long Term Mortgage Impairment Insurance Contrac	300,000	1,500,000
The amount of Euros to sell for the forward contract.	45.0
The fair value of our obligation related to the forward contract.	$ 3,200,000