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Commitments, contingencies and guarantees (Tables)
 12 Months Ended
Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]  
Components of Lease Expense [Text Block]
The components of net lease cost, which were primarily recorded in operating expenses, were as follows:
Year ended December 31,
(in thousands)202220212020
Operating lease cost (1)
$11,060 $11,566 $14,815 
Sublease income(2,907)(964)(526)
Right-of-use asset impairment cost— — 12,460 
Net lease cost$8,153 $10,602 $26,749 
(1)    Operating lease cost includes variable lease costs, which are immaterial.

Supplemental cash flow information related to leases was as follows:
Year ended December 31,
(in thousands)202220212020
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases$14,595 $14,902 $14,310 
Right-of-use assets obtained in exchange for operating lease liabilities1,221 2,475 1,343 
Operating lease modification to decrease right-of-use assets(232)— (2,251)

Supplemental balance sheet information related to leases was as follows:
December 31, 2022December 31, 2021
Weighted-average remaining lease term (in years) - operating leases3.814.64
Weighted-average discount rate - operating leases6.1%6.0%
Schedule of Maturities of Lease Liabilities [Text Block]
As of December 31, 2022, maturities of operating lease liabilities were as follows:
(in thousands)
December 31, 2022
2023$12,054 
202412,251 
202511,879 
202611,727 
2027973 
Thereafter— 
Total lease payments48,884 
Less: Imputed interest(5,733)
Present value of lease liabilities$43,151