Transactions with Affiliates

12 Months Ended

Dec. 31, 2020

We enter into certain transactions in the normal course of business with affiliated entities including direct cost reimbursement for shared phone and administrative services. In addition, we lease our corporate office space in a building operated by 17 South Briar Hollow Lane, LLC, an affiliate of KSA Industries, Inc., which is an affiliated entity.

Activities with affiliates were as follows for the periods indicated (in thousands):


	Year Ended December 31,
	2020		2019		2018

Affiliate billings to us	$	18	$	83	$	75
Billings to affiliates	5		5		6
Rentals paid to affiliate	644		487		487