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Combined Guarantor Subsidiaries - Combined Statements of Owners' Equity (Tables) | 6 Months Ended
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Jun. 30, 2019
Guarantor Subsidiaries |
Condensed Financial Statements, Captions [Line Items] |
Schedule of Combined Statements of Owners' Equity - Guarantor Subsidiaries |
Balance, January 1, 2018 |  | $ | 1,486,164 |
Net income |  | 29,615 |
Contributions |  | 50,514 |
Distributions |  | (56,447 | )
Balance, March 31, 2018 |  | 1,509,846 |
Net income |  | 27,117 |
Contributions |  | 14,677 |
Distributions |  | (52,411 | )
Balance, June 30, 2018 |  | $ | 1,499,229 |
Balance, January 1, 2019 |  | $ | 1,404,623 |
Net income |  | 62,109 |
Contributions |  | 17,363 |
Distributions |  | (41,658 | )
Noncash distributions |  | (8,835 | )
Balance, March 31, 2019 |  | 1,433,602 |
Net income |  | 22,775 |
Contributions |  | 16,558 |
Distributions |  | (54,312 | )
Noncash distributions |  | (2,620 | )
Balance, June 30, 2019 |  | $ | 1,416,003 |

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- Definition Tabular disclosure of condensed financial statements, including, but not limited to, the balance sheet, income statement, and statement of cash flows. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 3 -Paragraph i -Subsection 10 + Details
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