Financial Instruments and Fair Value Measurements (Details) - Recurring - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Fair Value Measurements
Assets at fair value	$ 43,019	$ 72,934
Liabilities at fair value	0	0
Money market investments
Fair Value Measurements
Assets at fair value	43,019	72,934
Fair Value, Inputs, Level 1
Fair Value Measurements
Assets at fair value	43,019	72,934
Fair Value, Inputs, Level 1 | Money market investments
Fair Value Measurements
Assets at fair value	43,019	72,934
Fair Value, Inputs, Level 2 | Money market investments
Fair Value Measurements
Assets at fair value	0	0
Fair Value, Inputs, Level 3
Fair Value Measurements
Assets at fair value	0	0
Fair Value, Inputs, Level 3 | Money market investments
Fair Value Measurements
Assets at fair value	$ 0	$ 0