Commitments, Guarantees, Contingent Liabilities, and Related Parties Operating Leases, Future Aggregate Minimum Rental Payments (Tables) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Operating Leased Assets [Line Items]
Operating Leases, Future Minimum Payments Due	$ 337,510
Operating Leases, Future Minimum Payments Due, Next Twelve Months	44,857
Operating Leases, Future Minimum Payments, Due in Two Years	44,815
Operating Leases, Future Minimum Payments, Due in Three Years	42,712
Operating Leases, Future Minimum Payments, Due in Four Years	37,071
Operating Leases, Future Minimum Payments, Due in Five Years	32,186
Operating Leases, Future Minimum Payments, Due Thereafter	$ 135,869