Real Estate and Other Activities - Vibra - Additional Information (Detail) $ in Millions	1 Months Ended	3 Months Ended			12 Months Ended
	Feb. 28, 2026 USD ($)	Dec. 31, 2025 USD ($) Property	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Business Combination [Line Items]
Gain (loss) on real estate dispositions					$ 5.5
Select Medical [Member]
Business Combination [Line Items]
Lease Agreement Term		20 years			20 years
Number of property acquired | Property		1
Net book value of property		$ 53.0
Cash receipt of past due obligations		$ 18.0
Select Medical [Member] | Subsequent Event [Member]
Business Combination [Line Items]
Gain (loss) on real estate dispositions	$ 12.0
Vibra [Member]
Business Combination [Line Items]
Reserve billed and straight line rent receivables				$ 49.0
Repayment Of Unpaid Rent						$ 10.0
Amortization of Intangible Assets			$ 22.0
Lease Agreement Term		20 years			20 years
Repayment of mortgage loan						$ 3.0
Number of property acquired | Property		1
Payment for acquisition		$ 32.0