Commitments and Contingencies Operating Leases (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Operating Leased Assets [Line Items]
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 134,614
Operating Leases, Future Minimum Payments, Due in Two Years	132,736
Operating Leases, Future Minimum Payments, Due in Three Years	131,825
Operating Leases, Future Minimum Payments, Due in Four Years	128,690
Operating Leases, Future Minimum Payments, Due in Five Years	125,926
Operating Leases, Future Minimum Payments, Due Thereafter	676,126
Operating Leases, Future Minimum Payments Due	$ 1,329,917