v3.20.2
PARTNERS' EQUITY Table 3 - Balance of and Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance     $ (67,896)  
Ending balance $ (98,791)   (98,791)  
Foreign Currency Translation        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance (47,962) $ (44,431) (43,772) $ (47,299)
Other comprehensive income (loss) before reclassification adjustments 1,594 (1,066) (2,596) 1,802
Other 0 0 0 0
Other comprehensive income (loss) 1,594 (1,066) (2,596) 1,802
Ending balance (46,368) (45,497) (46,368) (45,497)
Cash Flow Hedges        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance (44,890) (15,402) (16,124) (893)
Other comprehensive income (loss) before reclassification adjustments 0 (10,866) (30,291) (27,458)
Other 0 0 0 0
Other comprehensive income (loss) 1,372 (9,960) (27,394) (24,469)
Ending balance (43,518) (25,362) (43,518) (25,362)
Pension and Other Postretirement Benefits        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance (8,603) (7,830) (8,000) (6,686)
Other comprehensive income (loss) before reclassification adjustments 0 0 0 0
Other 3 7 10 20
Other comprehensive income (loss) (302) (572) (905) (1,716)
Ending balance (8,905) (8,402) (8,905) (8,402)
Total        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance (101,455) (67,663) (67,896) (54,878)
Other comprehensive income (loss) before reclassification adjustments 1,594 (11,932) (32,887) (25,656)
Other 3 7 10 20
Other comprehensive income (loss) 2,664 (11,598) (30,895) (24,383)
Ending balance (98,791) (79,261) (98,791) (79,261)
Other income, net | Foreign Currency Translation        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net (gain) loss reclassified from AOCI 0 0 0 0
Other income, net | Cash Flow Hedges        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net (gain) loss reclassified from AOCI 0 0 0 0
Other income, net | Pension and Other Postretirement Benefits        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net (gain) loss reclassified from AOCI (305) (579) (915) (1,736)
Other income, net | Total        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net (gain) loss reclassified from AOCI (305) (579) (915) (1,736)
Interest expense, net | Foreign Currency Translation        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net (gain) loss reclassified from AOCI 0 0 0 0
Interest expense, net | Cash Flow Hedges        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net (gain) loss reclassified from AOCI 1,372 906 2,897 2,989
Interest expense, net | Pension and Other Postretirement Benefits        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net (gain) loss reclassified from AOCI 0 0 0 0
Interest expense, net | Total        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Net (gain) loss reclassified from AOCI $ 1,372 $ 906 $ 2,897 $ 2,989