Commitments and Contingencies

12 Months Ended

Dec. 31, 2017

(15) Commitments and Contingencies

The Company has facility and equipment leases that expire at various dates through 2020. Certain of these facility leases contain renewal options, early termination provisions, and provisions that escalate the base rent payments and require the Company to pay common area maintenance costs ("CAM") during the lease term. The following obligations for base rent and CAM costs under facility and other non-cancelable operating leases as of December 31, 2017 do not include the exercise of renewal terms or early termination provisions (in thousands):

2018	$	4,591
2019		4,472
2020		2,498
2021		—
2022		—
Thereafter		—

Total minimum lease payments	$	11,561

The Company's total rent and CAM expense for all facility leases was $4.1 million, $4.8 million and $2.9 million for the years ended December 31, 2017, 2016 and 2015, respectively.