(10) Commitments

The Company has various lease agreements for offices as well as long-term ground leases for its facilities at Axis, AL, Hannibal, MO and Marsing, ID. The office leases contain provisions to pass through to the Company its pro-rata share of certain of the building’s operating expenses. The long-term ground lease at Axis, AL is for twenty years (commencing May 2001) with up to five automatic renewals of three years each for a total of thirty-five years. The long-term ground lease at Hannibal, MO is for a period of 20 years (commencing December 2007) with automatic one year extensions thereafter, subject to termination with a twelve-month notice. At its Marsing facility, the Company owns 15 acres and holds a long-term ground lease on two acres for a period of 25 years (commencing in March 2008). Rent expense for the years ended December 31, 2017, 2016 and 2015 was $1,102, $946 and $947. In addition, the Company has various vehicle lease agreements for its sales force. Vehicle lease expense for the years ended December 31, 2017, 2016 and 2015 was $529, $555, and $435 respectively.

Future minimum lease payments under the terms of the leases are as follows:

Year ending December 31,
2018	$	2,250
2019		1,938
2020		1,660
2021		1,103
2022		521
Thereafter		650
	$	8,122