Stock-Based Compensation - Summary of Time Based and Performance-Based Stock Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total stock compensation expense	$ 20,363	$ 13,864	$ 58,420	$ 29,308
Research and Development Expenses
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total stock compensation expense	8,530	6,344	22,800	13,951
Selling, general and administrative
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total stock compensation expense	$ 11,833	$ 7,520	$ 35,620	$ 15,357

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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REATA PHARMACEUTICALS INC 10-Q