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Combined Guarantor Subsidiaries - Condensed Combined Statements of Owners' Equity (Unaudited) - USD ($)
Total
Guarantor Subsidiaries
Beginning balance at Dec. 31, 2018   $ 1,404,623,000
Increase (Decrease) in Partners' Capital [Roll Forward]    
Net income $ (46,809,000) 62,109,000
Contributions   17,363,000
Distributions   (41,658,000)
Noncash distributions   (8,835,000)
Ending balance at Mar. 31, 2019   1,433,602,000
Beginning balance at Dec. 31, 2019   1,356,571,000
Increase (Decrease) in Partners' Capital [Roll Forward]    
Net income $ (139,294,000) 18,835,000
Contributions   32,814,000
Distributions   (56,868,000)
Ending balance at Mar. 31, 2020   $ 1,351,352,000