Leases

We lease certain facilities and equipment for periods ranging from one to ten years. The leases generally are renewable and provide for the payment of property taxes, insurance and other costs relative to the property. Rental expense in 2017, 2016, and 2015 was $5.0 million, $4.9 million, and $8.5 million, respectively. Future minimum rental payments under operating leases having initial or remaining non-cancelable terms in excess of one year at December 31, 2017 were as follows:



	(In thousands)
2018	$	3,586
2019	2,793
2020	2,554
2021	1,927
2022	947
Thereafter	553
Total	$	12,360