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Segment Reporting (Parenthetical) (Detail) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |  |
Net revenues |  | $ 2,829,667 | $ 2,804,391 |
Total assets |  | 11,620,426 | 11,721,277 | $ 11,668,250
Behavioral Health Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues | [1] | 1,306,109 | 1,286,383 |
Total assets | [1] | 6,871,852 | 6,972,929 |
Behavioral Health Services | Located in U.K. |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenues |  | 137,000 | 137,000 |
Total assets |  | $ 1,197,000 | $ 1,237,000 |
[1] | Includes net revenues generated from our behavioral health care facilities located in the U.K. amounting to approximately $137 million for each of the three-month periods ended March 31, 2020 and 2019. Total assets at our U.K. behavioral health care facilities were approximately $1.197 billion and $1.237 billion as of March 31, 2020 and 2019.

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