Leases (Tables)

12 Months Ended

Dec. 31, 2016

Leases [Abstract]

Schedule of future minimum non-cancelable operating lease payments

Minimum future obligations under all non-cancelable operating leases as of December 31, 2016, are as follows:

	Operating Leases
2017	$	4,635
2018	3,224
2019	1,829
2020	1,204
2021	583
Thereafter	2,526
Total minimum lease obligations	$	14,001

Summary of operating lease rent expense

Rent expense for operating leases charged to operations was as follows :

	Years Ended December 31,
	2016		2015		2014
Rent expense	$	5,694	$	3,550	$	4,300