Other assets - Schedule of Composition of Acquired or Developed Software Costs (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Intangible Asset, Finite-Lived
Gross Carrying Amount	$ 282,752	$ 256,576
Accumulated Amortization	93,593	73,195
Net Carrying Value	189,159	183,381
Software development costs
Intangible Asset, Finite-Lived
Gross Carrying Amount	107,959	103,628
Accumulated Amortization	41,510	34,170
Net Carrying Value	66,449	69,458
Software license costs
Intangible Asset, Finite-Lived
Gross Carrying Amount	60,936	46,538
Accumulated Amortization	30,515	24,475
Net Carrying Value	30,421	22,063
Cloud computing arrangements
Intangible Asset, Finite-Lived
Gross Carrying Amount	113,857	106,410
Accumulated Amortization	21,568	14,550
Net Carrying Value	$ 92,289	$ 91,860