Leases (Tables)

12 Months Ended

Dec. 31, 2018

Leases [Abstract]

Schedule of future minimum non-cancelable operating lease payments

Minimum future obligations under all non-cancelable operating leases as of December 31, 2018, are as follows:

	Operating Leases
2019	$	3,859
2020	3,622
2021	2,587
2022	2,411
2023	2,464
Thereafter	16,086
Total minimum lease obligations	$	31,029

Summary of operating lease rent expense

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

	Years Ended December 31,
	2018		2017		2016
Rent expense	$	5,726	$	4,762	$	5,694