Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Concentrations of Credit Risk (Details)

v3.19.1
Commitments and Contingencies - Concentrations of Credit Risk (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Customer
Mar. 31, 2018
Customer
Jan. 29, 2019
USD ($)
Dec. 31, 2018
USD ($)
Customer
Concentration Risk [Line Items]        
Current accounts receivable $ 2,580,665     $ 2,354,737
Long-term accounts receivable $ 69,000     $ 25,900
Customer Concentration Risk        
Concentration Risk [Line Items]        
Number of customers representing ten percent or more of net receivable position | Customer 0     0
Number of customers representing ten percent or more of revenue | Customer 0 0    
PG&E        
Concentration Risk [Line Items]        
Accounts receivable     $ 157,000  
Long-term accounts receivable $ 41,200      
PG&E | Pre-Petition Receivables        
Concentration Risk [Line Items]        
Current accounts receivable 116,000      
Long-term accounts receivable $ 41,000