XML 45 R34.htm IDEA: XBRL DOCUMENT v3.10.0.1
Dispositions and Acquisitions - Additional Information (Detail)
1 Months Ended 6 Months Ended
Jul. 31, 2018
USD ($)
Facility
Bed
Jun. 30, 2018
USD ($)
Bed
Jun. 30, 2017
USD ($)
Business Acquisition [Line Items]      
Acquisition, cash paid   $ 21,000,000 $ 20,000,000
Aggregate cash proceeds from divestiture of businesses     $ 0
The Limes      
Business Acquisition [Line Items]      
Aggregate cash proceeds from divestiture of businesses   $ 14,000,000  
Number of beds | Bed   18  
Gulfport Behavioral Health System      
Business Acquisition [Line Items]      
Number of beds | Bed   109  
Danshell Group | Subsequent Event | Located in U.K.      
Business Acquisition [Line Items]      
Number of beds | Bed 288    
Number of behavioral health care facilities | Facility 25    
Purchase price $ 92,000,000