Transactions with Related Parties (Tables)
12 Months Ended
Dec. 31, 2018
Related Party Transactions [Abstract]  
Schedule of Costs Incurred and Payable with Related Parties
The following table summarizes the costs incurred and revenues received for such services:
 
For the Year Ended December 31,
(in thousands)
2018
 
2017
 
2016
Costs of goods/services provided
 
 
 
 
 
Rockpile Energy Services, LLC (1)
$
—

 
$
—

 
$
3,320

Permian Tank and Manufacturing, Inc. (2)
—

 
—

 
791

Liberty Oilfield Services, LLC (2)
—

 
72,551

 
8,190

Revenues from oil and gas sales
 
 
 
 
 
Lucid Energy Delaware, LLC (2)
$
3,946

 
$
—

 
$
—

 
(1)
This entity is an NGP affiliate. Beginning December 28, 2016, NGP and entities affiliated with NGP were no longer considered related parties of the Company, and any expenses incurred on or after December 28, 2016 with NGP or its affiliates are no longer classified as related party expenses. However, expenses incurred before December 28, 2016 with NGP or its affiliates were classified as related party expenses as NGP beneficially owned more than 10% of equity interest in the Company.
(2) These entities are Riverstone affiliates. Riverstone and its affiliates, beneficially own more than 10% equity interest in the Company and are therefore considered related parties. Beginning November 1, 2016, Permian Tank Manufacturing, Inc. (“Permian”) was no longer considered a related party of the Company. Any goods/services acquired on or after November 1, 2016 from Permian are no longer classified as related party transactions.