Income Taxes - Operating loss carryforwards (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Operating Loss Carryforwards
Net operating loss carryforwards	$ 210,487
Federal
Operating Loss Carryforwards
Research and development tax credits	7,903
State
Operating Loss Carryforwards
Net operating loss carryforwards	191,524
Research and development tax credits	1,841
Foreign
Operating Loss Carryforwards
Net operating loss carryforwards	393
Net operating loss	$ 129,179