Transactions with Affiliates (Tables)

9 Months Ended

Sep. 30, 2019

Related Party Transactions [Abstract]

Activities with affiliates

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

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Affiliate billings to us	$	20	$	18	$	63	$	58
Billings to affiliates	1		1		3		4
Rentals paid to affiliate	122		121		366		365