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Transactions with Affiliates (Tables)
 9 Months Ended
Sep. 30, 2022
Related Party Transactions [Abstract]  
Activities with affiliates
Activities with affiliates were as follows for the periods indicated (in thousands):

Three Months EndedNine Months Ended
September 30,September 30,
2022202120222021
Affiliate billings to us$1 $1 $7 $13 
Billings to affiliates5 4 15 10 
Rentals paid to affiliate136 144 388 461