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Fair Value Measurements (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Assets:    
Total available for sale investments $ 88,920 $ 128,878
Recurring basis    
Assets:    
Total included in cash and cash equivalents 15,722 10,990
Total available for sale investments 88,920 128,878
Total assets measured at fair value on a recurring basis 104,642 139,868
Recurring basis | Certificate of deposit    
Assets:    
Total available for sale investments 16,023 1,260
Recurring basis | Corporate debt securities    
Assets:    
Total available for sale investments 49,535 88,390
Recurring basis | Commercial paper    
Assets:    
Total available for sale investments 13,187 14,454
Recurring basis | U.S. government agencies    
Assets:    
Total available for sale investments 2,288  
Recurring basis | Non U.S. government    
Assets:    
Total available for sale investments   728
Recurring basis | U.S. treasury securities    
Assets:    
Total available for sale investments 7,887 24,046
Recurring basis | Money market fund    
Assets:    
Total included in cash and cash equivalents 15,722 10,990
Recurring basis | Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1)    
Assets:    
Total included in cash and cash equivalents 15,722 10,990
Total available for sale investments 7,887 24,046
Total assets measured at fair value on a recurring basis 23,609 35,036
Recurring basis | Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) | Certificate of deposit    
Assets:    
Total available for sale investments 0 0
Recurring basis | Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) | Corporate debt securities    
Assets:    
Total available for sale investments 0 0
Recurring basis | Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) | Commercial paper    
Assets:    
Total available for sale investments 0 0
Recurring basis | Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) | U.S. government agencies    
Assets:    
Total available for sale investments 0  
Recurring basis | Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) | Non U.S. government    
Assets:    
Total available for sale investments   0
Recurring basis | Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) | U.S. treasury securities    
Assets:    
Total available for sale investments 7,887 24,046
Recurring basis | Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1) | Money market fund    
Assets:    
Total included in cash and cash equivalents 15,722 10,990
Recurring basis | Significant Other Observable Inputs (Level 2)    
Assets:    
Total included in cash and cash equivalents 0 0
Total available for sale investments 81,033 104,832
Total assets measured at fair value on a recurring basis 81,033 104,832
Recurring basis | Significant Other Observable Inputs (Level 2) | Certificate of deposit    
Assets:    
Total available for sale investments 16,023 1,260
Recurring basis | Significant Other Observable Inputs (Level 2) | Corporate debt securities    
Assets:    
Total available for sale investments 49,535 88,390
Recurring basis | Significant Other Observable Inputs (Level 2) | Commercial paper    
Assets:    
Total available for sale investments 13,187 14,454
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. government agencies    
Assets:    
Total available for sale investments 2,288  
Recurring basis | Significant Other Observable Inputs (Level 2) | Non U.S. government    
Assets:    
Total available for sale investments   728
Recurring basis | Significant Other Observable Inputs (Level 2) | U.S. treasury securities    
Assets:    
Total available for sale investments 0 0
Recurring basis | Significant Other Observable Inputs (Level 2) | Money market fund    
Assets:    
Total included in cash and cash equivalents 0 0
Recurring basis | Significant Unobservable Inputs (Level 3)    
Assets:    
Total included in cash and cash equivalents 0 0
Total available for sale investments 0 0
Total assets measured at fair value on a recurring basis 0 0
Recurring basis | Significant Unobservable Inputs (Level 3) | Certificate of deposit    
Assets:    
Total available for sale investments 0 0
Recurring basis | Significant Unobservable Inputs (Level 3) | Corporate debt securities    
Assets:    
Total available for sale investments 0 0
Recurring basis | Significant Unobservable Inputs (Level 3) | Commercial paper    
Assets:    
Total available for sale investments 0 0
Recurring basis | Significant Unobservable Inputs (Level 3) | U.S. government agencies    
Assets:    
Total available for sale investments  
Recurring basis | Significant Unobservable Inputs (Level 3) | Non U.S. government    
Assets:    
Total available for sale investments   0
Recurring basis | Significant Unobservable Inputs (Level 3) | U.S. treasury securities    
Assets:    
Total available for sale investments 0 0
Recurring basis | Significant Unobservable Inputs (Level 3) | Money market fund    
Assets:    
Total included in cash and cash equivalents $ 0 $ 0