v3.21.1
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Revenues:    
Total revenues $ 361,646 $ 392,791
Costs and expenses:    
Operating expenses (excluding depreciation and amortization expense) 87,287 100,182
Depreciation and amortization expense 68,418 68,061
Goodwill impairment loss 0 225,000
General and administrative expenses (excluding depreciation and amortization expense) 24,492 22,971
Other depreciation and amortization expense 2,047 2,186
Total costs and expenses 263,357 485,850
Operating income (loss) 98,289 (93,059)
Interest expense, net (54,918) (47,494)
Other income (expense), net 398 (6,489)
Income (loss) before income tax expense 43,769 (147,042)
Income tax expense 1,512 599
Net income (loss) $ 42,257 $ (147,641)
Basic net income (loss) per common unit (Note 10) $ 0.05 $ (1.68)
Diluted net income (loss) per common unit (Note 10) $ 0.05 $ (1.68)
Basic weighted-average common units outstanding 109,506,222 108,897,400
Diluted weighted-average common units outstanding 109,506,222 108,897,400
Comprehensive income (loss) $ 44,377 $ (183,954)
Service [Member]    
Revenues:    
Total revenues 271,883 316,746
Costs and expenses:    
Total costs associated with service revenues/Cost associated with product sales 155,705 168,243
Product [Member]    
Revenues:    
Total revenues 89,763 76,045
Costs and expenses:    
Total costs associated with service revenues/Cost associated with product sales $ 81,113 $ 67,450