COMMITMENTS AND CONTINGENCIES Operating Leases, Rent Expense, Minimum Rentals (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Commitments And Contingencies [Line Items]
2013	$ 21,291
2014	18,989
2015	17,069
2016	12,917
2017	11,256
Thereafter	14,150
Total future minimum payments due	95,672
Office and general
Commitments And Contingencies [Line Items]
Operating leases, rent expense	$ 17,905	$ 19,669	$ 20,193