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Schedule I Financial Information - Supplemental Disclosures of Cash Flow Information (Details) - USD ($)
$ in Thousands
1 Months Ended 11 Months Ended 12 Months Ended
Feb. 09, 2018
Dec. 31, 2018
Dec. 31, 2017
Supplemental Disclosure of Cash Flow Information      
Cash paid for interest $ 17,734 $ 198,603 $ 212,021
Cash received for taxes (244) (910) (72,882)
Parent Company [Member]      
Supplemental Disclosure of Cash Flow Information      
Cash paid for interest 7,437 87,389 93,327
Cash received for taxes (78) (938) (72,982)
Supplemental Disclosure of Non-Cash Investing and Financing Activities      
Contributions to subsidiaries 0 2,013 184,474
Distributions from subsidiaries $ 0 $ 0 $ 4,474