Transactions with Affiliates (Tables)

6 Months Ended

Jun. 30, 2021

Related Party Transactions [Abstract]

Activities with affiliates

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

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
Affiliate billings to us	$	—	$	15	$	12	$	32
Billings to affiliates	5		1		6		2
Rentals paid to affiliate	143		122		317		244