Stock-Based Compensation - Schedule of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation	$ 1,047	$ 931	$ 2,783	$ 3,221
General and administrative [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation	791	703	2,110	2,382
Research and development [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total stock-based compensation	$ 256	$ 228	$ 673	$ 839

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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+ Details

Protara Therapeutics, Inc. 10-Q