Commitments and Contingencies - Future Lease Payments (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating Leased Assets [Line Items]
2012	$ 106,474,000
2013	101,543,000
2014	89,686,000
2015	29,255,000
2016	12,099,000
Thereafter	32,689,000
Total Lease Commitments	371,746,000
Operating Leases, Rent Expense, Net	$ 191,000,000	$ 107,000,000	$ 73,000,000