Subsequent Events	9 Months Ended
Sep. 30, 2013
Disclosure - Subsequent Events [Abstract]
Subsequent Event [Text Block]	10. Subsequent Events At September 30, 2013, the Company had an equity investment in Essent Group Ltd. (Essent), a non-public U.S. mortgage guaranty insurance company, which was recorded at cost of $36 million. Essent became a publicly traded company on October 30, 2013 and, as a result, from this date the Company will record its investment in Essent at fair value, which was approximately $105 million based on the closing market price on October 31, 2013. The Company will report this unrealized gain and any subsequent changes in the fair value of this investment in net realized and unrealized investment gains and losses in the Consolidated Statements of Operations.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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