Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments and Hedging Activities - Effects on Statements of Income (Loss) and Consolidated Statements of Comprehensive Loss (Details)

v3.19.3
Derivative Instruments and Hedging Activities - Effects on Statements of Income (Loss) and Consolidated Statements of Comprehensive Loss (Details) - Other expenses, net - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Designated | Interest rate swap instruments        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of (Gain) Loss Recognized in Net Income $ 44 $ (41) $ (6) $ (166)
Not Designated | Interest rate swap instruments        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of (Gain) Loss Recognized in Net Income (3) (271) 66 (344)
Not Designated | Commodity swap contracts        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of (Gain) Loss Recognized in Net Income (31) (33) (203) 12
Not Designated | Interest make-whole provisions        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of (Gain) Loss Recognized in Net Income $ (150) $ 16 $ (935) $ 16