Leases - Supplemental information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash paid for amounts included in measurement of lease liabilities:
Operating cash outflows for operating leases	$ 1,674	$ 1,854	$ 2,082
Operating leases	$ 1,530	$ 807	$ 6,835
Other assets	Other assets	Other assets
Operating lease right-of-use assets	$ 2,211	$ 3,209
Accrued expenses and other current liabilities	Accrued expenses and other current liabilities	Accrued expenses and other current liabilities
Operating lease, liability, current	$ 826	$ 1,669
Other liabilities	Other liabilities	Other liabilities
Operating lease liabilities, non-current	$ 1,412	$ 1,630
Total operating lease liabilities	$ 2,238	$ 3,299
Weighted average remaining lease term	4 years	2 years 7 months 6 days	2 years 10 months 24 days
Weighted average discount rate	8.70%	8.60%	8.80%