Summary of Significant Accounting Policies Deferred acquisition costs (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Insurance Related [Member]
Business Acquisition [Line Items]
Deferred Policy Acquisition Cost, Amortization Expense	$ 67,629	$ 61,042	$ 55,958
Non Insurance Related [Member]
Business Acquisition [Line Items]
Deferred Policy Acquisition Cost, Amortization Expense	$ 64,009	$ 52,539	$ 57,358