Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Significant Accounting Policies - Narrative (Details)

v3.20.1
Basis of Presentation and Significant Accounting Policies - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 25, 2020
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Related Party Transaction [Line Items]        
Bad debt expense   $ 55 $ 4  
Recovery amount in undisputed claims $ 61,700      
Oil And Natural Gas Industry        
Related Party Transaction [Line Items]        
Bad debt expense   500   $ 1,800
Puerto Rico Electric Power Authority (PREPA)        
Related Party Transaction [Line Items]        
Interest income, other   7,700 $ 25,700  
Interest charged on accounts receivable   49,700   $ 42,000
Accounts receivable from related parties   $ 227,000