Leases

The Company enters into noncancelable operating lease agreements for equipment, buildings and vehicles. The minimum lease payments for the noncancelable operating lease agreements are as follows (in thousands):



2018	$	19,343
2019	14,362
2020	12,132
2021	10,661
2022	10,195
Thereafter	25,335

Rent expense for noncancelable operating leases approximated $18.4 million, $15.1 million and $14.1 million for the years ended December 31, 2017, 2016 and 2015, respectively. The leases are generally renewable at the Company’s option for periods of one to five years.