Restricted Cash - Restricted cash on the Company's consolidated balance sheets (Details) - USD ($) $ in Thousands		Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted Cash, Noncurrent		$ 2,903	$ 2,903	$ 0
Redwood City, CA lease [Member]
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted Cash, Noncurrent	[1]	2,337	2,337
Boston, MA
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted Cash, Noncurrent		266	266
Corporate credit card services
Restricted Cash and Cash Equivalents Items [Line Items]
Restricted Cash, Noncurrent		$ 300	$ 300

[1] Includes the Company's lease at 1000 Bridge Parkway and 1200 Bridge Parkway.