Lease Commitments

12 Months Ended

Dec. 31, 2017

The Company leases various facilities, vehicles, and equipment under operating leases with terms expiring at various times through 2025. Rent expense under operating leases was approximately $5.8 million, $5.3 million, and $5.6 million for the years ended December 31, 2017, 2016, and 2015, respectively.

Future minimum annual rental commitments under non-cancellable operating leases as of December 31, 2017 were as follows:



	Total non-cancellable leases
(dollars in thousands)
Year
2018	$	6,843
2019	6,676
2020	6,029
2021	5,123
Thereafter	11,186
Total	$	35,857