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Transactions with Affiliates
6 Months Ended
Jun. 30, 2019
Related Party Transactions [Abstract]  
Transactions with Affiliates Transactions with Affiliates
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 from an affiliated entity.

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

Three Months EndedSix Months Ended
June 30,June 30,
2019201820192018
Affiliate billings to us$26 $25 $43 $40 
Billings to affiliates
Rentals paid to affiliate122 122 244 244