Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2015

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, 2015 were as follows (in thousands):  

Year ended December 31,
2016	$	40,910
2017	37,565
2018	29,649
2019	25,074
2020	19,240
Thereafter	111,555
Total minimum lease payments	$	263,993