Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Lease Payments under Operating Leases

The future minimum annual cash payments under these operating lease agreements as of December 31, 2014 were as follows (in thousands):  

Year ended December 31,
2015	$	35,230
2016	28,515
2017	22,930
2018	18,795
2019	16,740
Thereafter	100,960
Total minimum lease payments (1)	$	223,170

(1) Excludes $0.1 million of future contractual sublease rental income.