Lease and Other Commitments (Tables)

12 Months Ended

Dec. 31, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

As of December 31, 2017, the total minimum annual rental commitments under non-cancelable operating leases are as follows (in thousands):

2018	$	10,185
2019	8,775
2020	6,594
2021	4,951
2022	3,956
Thereafter	14,310
Total minimum payments	$	48,771

Long-term Purchase Commitment

As of December 31, 2017, our total minimum fee commitments for contracts with a remaining term in excess of one year are as follows (in thousands):

2018	$	3,662
2019	3,670
2020	2,363
2021	2,138
2022	3,932
Thereafter	1,684
Total minimum payments	$	17,449