Licensing arrangements - Zentalis Pharmaceuticals (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Jan. 05, 2024	Mar. 31, 2024	Mar. 31, 2023
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Issuance of common stock			$ 221
License agreement with Zentalis Pharmaceuticals, Inc
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
License Agreement, Upfront Payment in Cash	$ 15,000
Stock issued	2,298,586
Issuance of common stock	$ 23,400	$ 23,388
Share Price	$ 11.12
Percentage of discount related to unregistered share restrictions to be deducted from the share price	8.50%
Transaction cost	$ 200
Maximum amount payable	150,000
Additional amount payable	$ 25,000