v3.26.1
Commitments and Contingencies - Additional Information (Detail)
$ / shares in Units, £ in Millions
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jan. 01, 2026
GBP (£)
Sep. 26, 2025
USD ($)
Sep. 27, 2024
USD ($)
Plaintiffs
Apr. 30, 2026
Bed
Jun. 30, 2026
USD ($)
Professional
$ / shares
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Professional
$ / shares
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2026
GBP (£)
Professional
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2014
USD ($)
Commitments and Contingencies Disclosure [Line Items]                                        
Purchased several excess policies through commercial reinsurance carriers per occurrence excess claim amount         $ 35,000,000   $ 35,000,000                          
Self-insured for professional and general liability, current         150,000,000   150,000,000   $ 125,000,000                      
Compensation liability claims         160,000,000   160,000,000   152,000,000                      
Compensation and related benefits         70,000,000   70,000,000   64,000,000                      
Maximum insurance deductible         5,000,000   5,000,000                          
Property insurance | £ £ 2,700                                      
Property insurance per occurrence | £ £ 150                                      
Acquisition, cash paid             5,000,000 $ 8,000,000                        
Self insurance reserve amount exhausted         5,000,000   5,000,000                          
Purchased several excess policies through commercial reinsurance amount exhausted         35,000,000   35,000,000                          
Income before income taxes         $ 479,126,000 $ 473,385,000 $ 948,242,000 $ 893,813,000                        
District Facilities                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Lease initial terms         75 years   75 years     75 years                    
Committment to expend             $ 23,000,000                          
Projected commitment expend period             12 years                          
Cumberland Hospital for Children and Adolescents                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Number of plaintiffs | Plaintiffs     43                                  
Aggregate insurance coverage         $ 143,000,000   $ 143,000,000                          
Self-insured retention amounts         10,000,000   $ 10,000,000                          
Cumberland Hospital for Children and Adolescents | Compensatory Damages                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Damages awarded     $ 60,000,000                                  
Cumberland Hospital for Children and Adolescents | Trebled Damages                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Damages awarded     180,000,000                                  
Cumberland Hospital for Children and Adolescents | Punitive Damages                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Damages awarded     120,000,000                                  
Punitive damage amount, per plaintiff     $ 350,000                                  
Cumberland Hospital for Children and Adolescents | Compensatory Damages, Trebled Damages And Punitive Damages                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Number of plaintiffs | Plaintiffs     3                                  
Pinnacle Medical Group                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Legal reserve         $ 18,000,000                              
Pinnacle Medical Group | Compensatory Damages                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Damages awarded   $ 4,700,000                                    
Pinnacle Medical Group | Punitive Damages                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Damages awarded   500,000,000                                    
Pinnacle Medical Group | UHS of Delaware, Inc.                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Non-controlling ownership interests         50.00%   50.00%     50.00%                    
San Antonio, Texas | Laurel Ridge Treatment Center                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Income before income taxes                 23,000,000                      
Number of bed available in behavioral health care facility | Bed       330                                
Springville | Provo Canyon School                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Income before income taxes                 2,000,000                      
Wind Storms                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Commercial property insurance policies covering catastrophic losses         $ 250,000,000   $ 250,000,000                          
Wind Storms | PUERTO RICO                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Commercial property insurance policies covering catastrophic losses         100,000,000   100,000,000                          
Earthquake Wind Hail and Flood                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Maximum insurance deductible         5,000,000   5,000,000                          
All Other Events                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Maximum insurance deductible         $ 5,000,000   $ 5,000,000                          
Talkspace, Inc                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Acquisition, price per share | $ / shares         $ 5.25   $ 5.25                          
Acquisition, cash paid             $ 835                          
Number of licensed professionals | Professional         6,000   6,000     6,000                    
Maximum                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Self-insured for professional and general liability         $ 5,000,000   $ 5,000,000                          
Purchased several excess policies through commercial insurance carriers per occurrence         25,000,000   25,000,000                          
Commercial property insurance policies covering catastrophic losses         $ 1,000,000,000   $ 1,000,000,000                          
Lease initial terms         10 years   10 years     10 years                    
Maximum | Cumberland Hospital for Children and Adolescents | Punitive Damages                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Damages awarded     $ 1,050,000.00                                  
Maximum | Pinnacle Medical Group | Punitive Damages                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Damages awarded   $ 14,000,000                                    
Maximum | Wind Storms                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Percentage of insurance deductible         5.00%   5.00%     5.00%                    
Maximum | Earthquake | CALIFORNIA                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Commercial property insurance policies covering catastrophic losses         $ 150,000,000   $ 150,000,000                          
Maximum | Earthquake | SOUTH CAROLINA                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Commercial property insurance policies covering catastrophic losses         100,000,000   100,000,000                          
Maximum | Earthquake | PUERTO RICO                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Commercial property insurance policies covering catastrophic losses         40,000,000   40,000,000                          
Maximum | Earthquake | OTHER STATES                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Commercial property insurance policies covering catastrophic losses         250,000,000   250,000,000                          
Maximum | Flood                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Commercial property insurance policies covering catastrophic losses         100,000,000   100,000,000                          
Maximum | Flood | PUERTO RICO                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Commercial property insurance policies covering catastrophic losses         1,000,000   1,000,000                          
Maximum | Flood | Texas                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Commercial property insurance policies covering catastrophic losses         $ 10,000,000   $ 10,000,000                          
Minimum                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Lease initial terms         5 years   5 years     5 years                    
Loss on business interruption insurance recovery             $ 10,000,000                          
Minimum | District Facilities                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Committment to expend             $ 75,000,000                          
Minimum | Wind Storms                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Percentage of insurance deductible         3.00%   3.00%     3.00%                    
Professional Liability | Cumberland Hospital for Children and Adolescents                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Self-insured retention amounts         $ 25,000,000   $ 25,000,000                          
General Liability | Cumberland Hospital for Children and Adolescents                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Self-insured retention amounts         3,000,000   3,000,000                          
General And Professional Liability Insurance Policies                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Self-insured for professional and general liability         28,000,000   28,000,000                          
General and Professional Liability                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Self-insured for professional and general liability         499,000,000   499,000,000   449,000,000                      
Subsidiaries | Professional Liability | Cygnet Health Care Limited                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Self-insured for professional and general liability | £                   £ 20                    
Subsidiaries | Professional Liability | Maximum                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Self-insured for professional and general liability                 20,000,000   $ 20,000,000 $ 20,000,000 $ 20,000,000 $ 20,000,000 $ 10,000,000 $ 5,000,000 $ 5,000,000 $ 5,000,000 $ 10,000,000  
Subsidiaries | General Liability | Cygnet Health Care Limited                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Self-insured for professional and general liability | £                   £ 25                    
Subsidiaries | General Liability | Maximum                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Self-insured for professional and general liability                 3,000,000   3,000,000 3,000,000 3,000,000 3,000,000 $ 3,000,000 $ 3,000,000 $ 3,000,000 $ 3,000,000 $ 3,000,000  
Subsidiaries | General And Professional Liability Insurance Policies | Maximum                                        
Commitments and Contingencies Disclosure [Line Items]                                        
Purchased several excess policies through commercial insurance carriers per occurrence         $ 120,000,000   $ 120,000,000   $ 110,000,000   $ 175,000,000 $ 165,000,000 $ 162,000,000 $ 155,000,000           $ 250,000,000