Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies [Abstract]

Future minimum lease payments for operating leases

Future minimum lease payments for operating leases with initial or remaining noncancelable lease terms in excess of one year are as follows:

2017	$	24,851
2018		13,093
2019		8,284
2020		5,597
2021		4,182
Thereafter		10,697