Commitments, contingencies and guarantees (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Long-term Purchase Commitment [Line Items]
Operating Lease, Cost	$ 11,045	$ 11,060	$ 11,566
Operating Lease, Payments	12,217	14,595	14,902
Finance Lease, Liability, to be Paid, Year One	12,488
Finance Lease, Liability, to be Paid, Year Two	13,141
Finance Lease, Liability, to be Paid, Year Three	12,361
Finance Lease, Liability, to be Paid, Year Four	1,359
Finance Lease, Liability, to be Paid, Year Five	401
Lessee, Operating Lease, Liability, Payments, Due after Year Five	103
Lessee, Operating Lease, Liability, Payments, Due	(39,853)
us-gaap_Lessee Operating Lease Liability Undiscounted Excess Amount	(3,806)
Operating Lease, Liability	36,047
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	3,943	1,221	2,475
LesseeOperatingLeaseModification	$ 0	$ (232)	0
Operating Lease, Weighted Average Remaining Lease Term	3 years 18 days	3 years 9 months 21 days
Operating Lease, Weighted Average Discount Rate, Percent	6.20%	6.10%
Sublease Income	$ (2,281)	$ (2,907)	(964)
Lease, Cost	8,764	$ 8,153	$ 10,602
Other Commitments [Line Items]
Other Commitment, to be Paid, Year One	36,045
Other Commitment, to be Paid, Year Two	10,278
Other Commitment, to be Paid, Year Three	4,673
Other Commitment, to be Paid, Year Four	0
Other Commitment, to be Paid, Year Five	0
Long-Term Debt, Maturity, Year Five	0
Long-Term Debt, Maturity, Year Four	0
Long-Term Debt, Maturity, Year Three	0
Long-Term Debt, Maturity, Year Two	94,922
Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months	1,159
Other Commitment	50,996
Long-term Debt, Gross	96,081
Contractual Obligation	147,077
Contractual Obligation, to be Paid, Year One	37,204
Contractual Obligation, to be Paid, Year Two	105,200
Contractual Obligation, to be Paid, Year Three	4,673
Contractual Obligation, to be Paid, Year Four	0
Contractual Obligation, to be Paid, Year Five	$ 0