v3.26.1
GOODWILL AND INTANGIBLE ASSETS - Intangible assets (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Intangible Assets          
Amortizable intangible assets - Gross carrying amount $ 1,392,575   $ 1,392,575   $ 1,392,575
Amortizable intangible assets - Accumulated amortization (780,561)   (780,561)   (748,238)
Amortizable intangible assets - Net carrying amount 612,014   612,014   644,337
Non-amortizable intangible assets 559,900   559,900   559,900
Total intangibles, Gross 1,952,475   1,952,475   1,952,475
Total intangibles, net 1,171,914   1,171,914   1,204,237
Aggregate amortization of intangible assets 16,200 $ 16,800 32,300 $ 36,500  
Trade names          
Intangible Assets          
Non-amortizable intangible assets 540,300   540,300   540,300
Certificates of need          
Intangible Assets          
Non-amortizable intangible assets 19,600   19,600   19,600
Customer relationships          
Intangible Assets          
Amortizable intangible assets - Gross carrying amount 1,220,060   1,220,060   1,220,060
Amortizable intangible assets - Accumulated amortization (633,222)   (633,222)   (604,508)
Amortizable intangible assets - Net carrying amount 586,838   586,838   615,552
Membership lists          
Intangible Assets          
Amortizable intangible assets - Gross carrying amount 92,000   92,000   92,000
Amortizable intangible assets - Accumulated amortization (68,540)   (68,540)   (65,473)
Amortizable intangible assets - Net carrying amount 23,460   23,460   26,527
Trade names          
Intangible Assets          
Amortizable intangible assets - Gross carrying amount 73,318   73,318   73,318
Amortizable intangible assets - Accumulated amortization (71,801)   (71,801)   (71,302)
Amortizable intangible assets - Net carrying amount 1,517   1,517   2,016
Non-compete and other          
Intangible Assets          
Amortizable intangible assets - Gross carrying amount 7,197   7,197   7,197
Amortizable intangible assets - Accumulated amortization (6,998)   (6,998)   (6,955)
Amortizable intangible assets - Net carrying amount $ 199   $ 199   $ 242