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Fair Value Measurements - Assets Measured at Fair Value (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Sep. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents $ 107,373 $ 113,641 $ 166,384
Amortized cost or carrying value 31,434 70,917  
Unrealized gains 311 426  
Unrealized losses 0 (112)  
Total marketable securities 31,745    
Total financial assets 104,072 135,899  
Money market account      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 67,168 36,728  
Time deposits      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Amortized cost or carrying value 20,000 6,645  
Unrealized gains 0 0  
Unrealized losses 0 (15)  
U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Amortized cost or carrying value   14,718  
Unrealized gains   74  
Unrealized losses   0  
Corporate debt securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Amortized cost or carrying value 265 23,412  
Unrealized gains 1 0  
Unrealized losses 0 (97)  
Commercial paper      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 5,470 28,254  
Amortized cost or carrying value 11,169 26,142  
Unrealized gains 310 352  
Unrealized losses 0 0  
Total included in cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 72,638 64,982  
Recurring      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities 31,745 71,231  
Total financial assets 104,383 136,213  
Recurring | Money market account      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 67,168 36,728  
Recurring | Time deposits      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities 20,000 6,630  
Recurring | U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities   14,792  
Recurring | Corporate debt securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities 266 23,315  
Recurring | Commercial paper      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 5,470 28,254  
Total marketable securities 11,479 26,494  
Recurring | Total included in cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 72,638 64,982  
Recurring | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities 31,479 47,916  
Total financial assets 104,117 112,898  
Recurring | Level 1 | Money market account      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 67,168 36,728  
Recurring | Level 1 | Time deposits      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities 20,000 6,630  
Recurring | Level 1 | U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities   14,792  
Recurring | Level 1 | Corporate debt securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities 0 0  
Recurring | Level 1 | Commercial paper      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 5,470 28,254  
Total marketable securities 11,479 26,494  
Recurring | Level 1 | Total included in cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 72,638 64,982  
Recurring | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities 266 23,315  
Total financial assets 266 23,315  
Recurring | Level 2 | Money market account      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 0 0  
Recurring | Level 2 | Time deposits      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities 0 0  
Recurring | Level 2 | U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities   0  
Recurring | Level 2 | Corporate debt securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities 266 23,315  
Recurring | Level 2 | Commercial paper      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 0 0  
Total marketable securities 0 0  
Recurring | Level 2 | Total included in cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 0 0  
Recurring | Level 3      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities 0 0  
Total financial assets 0 0  
Recurring | Level 3 | Money market account      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 0 0  
Recurring | Level 3 | Time deposits      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities 0 0  
Recurring | Level 3 | U.S. treasury securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities   0  
Recurring | Level 3 | Corporate debt securities      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Total marketable securities 0 0  
Recurring | Level 3 | Commercial paper      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 0 0  
Total marketable securities 0 0  
Recurring | Level 3 | Total included in cash and cash equivalents      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents $ 0 $ 0