Leases - Narrative (Details) $ in Millions	1 Months Ended
	Sep. 30, 2022 USD ($)	Dec. 31, 2023 USD ($)	Sep. 27, 2023 USD ($)	Sep. 26, 2023 USD ($) ft²	Dec. 31, 2022 USD ($)
Operating Leased Assets [Line Items]
Operating lease assets		$ 420.0			$ 403.9
Present value of operating lease liabilities		490.3			$ 430.2
Operating Lease, Right-Of-Use Asset, Derecognized	$ 47.4
Operating Lease, Liability, Derecognized	52.7
Gain due to lease termination	$ 5.3
Reata Pharmaceuticals, Inc
Operating Leased Assets [Line Items]
Operating lease, contract term				16 years
Operating lease area | ft²				327,400
Operating lease liabilities		151.8	$ 151.8	$ 151.8
Remaining lease term				15 years
Operating lease assets		$ 121.2	$ 121.2	$ 122.4
Buildings
Operating Leased Assets [Line Items]
Operating lease, contract term		5 years 6 months
Operating lease assets		$ 168.2
Present value of operating lease liabilities		$ 168.2
Minimum
Operating Leased Assets [Line Items]
Operating lease, contract term		1 year
Operating lease, renewal term		1 year
Minimum | Sublease
Operating Leased Assets [Line Items]
Operating lease, contract term		1 year
Maximum
Operating Leased Assets [Line Items]
Operating lease, contract term		15 years
Operating lease, renewal term		10 years
Maximum | Sublease
Operating Leased Assets [Line Items]
Operating lease, contract term		6 years