Leases - Summer Street Lease (Details) ft² in Thousands, $ in Thousands	1 Months Ended	12 Months Ended
	Jun. 30, 2019 ft²	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Operating Leases
Weighted-average discount rate of operating leases (as a percent)		5.80%	5.80%	5.80%
Operating lease right-of-use assets		$ 11,028	$ 12,586
Operating lease liability		15,493
Operating lease cost		2,507	2,507	$ 2,509
Summer Street Lease
Operating Leases
Rentable area leased (in square feet) | ft²	39
Annual rent escalation (as a percent)	2.00%
Option to extend the term of the lease	true
Operating lease, renewal term	5 years
Weighted-average discount rate of operating leases (as a percent)	5.80%
Operating lease right-of-use assets		11,000	12,600
Operating lease liability		15,500	17,700
Operating lease cost		$ 2,500	$ 2,500	$ 2,500