Commitments (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]
Total Commitment, 2013	$ 50,738
Sublease Rentals, 2013	525
Net, 2013	50,213
Total Commitment, 2014	38,205
Sublease Rentals, 2014	237
Net, 2014	37,968
Total Commitment, 2015	27,387
Sublease Rentals, 2015	69
Net, 2015	27,318
Total Commitment, 2016	19,259
Sublease Rentals, 2016	37
Net, 2016	19,222
Total Commitment, 2017	13,398
Sublease Rentals, 2017	28
Net, 2017	13,370
Total Commitment, Thereafter	13,785
Sublease Rentals, Thereafter	0
Net, Thereafter	$ 13,785