Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2015

Commitments and Contingencies [Abstract]

Future Minimum Lease Payments

As of December 31, 2015, future minimum lease payments, by calendar year, are as follows: 

2016	$	16,416
2017		14,100
2018		10,967
2019		9,080
2020		7,903
Thereafter		50,478
	$	108,944

Future Minimum Purchase Commitments

As of December 31, 2015, future minimum purchase commitments, by calendar year, are as follows: 

2016	$	33,242
2017		16,956
	$	50,198