Leases - Supplemental cash flow information - (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022
Leases [Abstract]
Operating cash flows from operating leases(1)	[1]	$ 1,881	$ 260
ROU asset obtained in exchange for an operating lease liability		$ 0	$ 4,931

[1] Operating cash flows from operating leases for 2022 includes cash inflow of $0.3 million reimbursed by the lessor for improvements made to the newly leased office space pursuant to the terms of the Suite 1350 lease.