Commitments and Contingencies Future Minimum Rental Commitments (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Commitments and Contingencies Disclosure [Abstract]
2012	$ 15,970,000
2013	13,391,000
2014	10,807,000
2015	8,448,000
2016	7,311,000
Thereafter	25,480,000
Total	81,407,000
Operating Leases, Rent Expense, Net	$ 17,000,000	$ 16,300,000	$ 15,200,000