Leases - Right-of-use assets and lease liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Right-of-use assets:
Operating leases	$ 20,654	$ 14,534
Finance leases	25,274	1,294
Total right-of-use assets	45,928	15,828
Lease liabilities:
Operating leases	21,435	14,962
Finance leases	25,238	1,409
Total lease liabilities	$ 46,673	$ 16,371