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Commitments (Tables)
12 Months Ended
Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Commitments under Non-cancelable Operating Leases
We lease certain of our premises and equipment under non-cancelable operating leases with terms expiring through 2023 exclusive of renewal option periods. Our annual aggregate minimum rental commitments under these leases are summarized as follows:
2017
$
14,037

2018
9,878

2019
5,590

2020
2,929

2021
1,379

Thereafter
1,184

 
34,997

Less: Sublease income
(1,027
)
Total minimum lease payments, net
$
33,970