Fair Value Measurements (Details) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Fair value measurements
Transfer of assets between levels	$ 0	$ 0
Recurring fair value measurement
Fair value measurements
Total assets at fair value	195,490,000		$ 68,847,000
Recurring fair value measurement | Money market funds
Fair value measurements
Total assets at fair value	195,088,000		68,445,000
Recurring fair value measurement | Certificates of deposit
Fair value measurements
Total assets at fair value	402,000		402,000
Recurring fair value measurement | Level 1
Fair value measurements
Total assets at fair value	195,490,000		68,847,000
Recurring fair value measurement | Level 1 | Money market funds
Fair value measurements
Total assets at fair value	195,088,000		68,445,000
Recurring fair value measurement | Level 1 | Certificates of deposit
Fair value measurements
Total assets at fair value	402,000		402,000
Recurring fair value measurement | Level 2
Fair value measurements
Total assets at fair value	0		0
Recurring fair value measurement | Level 2 | Money market funds
Fair value measurements
Total assets at fair value	0		0
Recurring fair value measurement | Level 2 | Certificates of deposit
Fair value measurements
Total assets at fair value	0		0
Recurring fair value measurement | Level 3
Fair value measurements
Total assets at fair value	0		0
Recurring fair value measurement | Level 3 | Money market funds
Fair value measurements
Total assets at fair value	0		0
Recurring fair value measurement | Level 3 | Certificates of deposit
Fair value measurements
Total assets at fair value	$ 0		$ 0