Intangible assets (Tables)

12 Months Ended

Dec. 31, 2021

Intangible Assets And Goodwill [Abstract]

Summary of Intangible Assets

				Other Intangible assets
	Goodwill			Capitalized software			Other intangible assets			Ongoing development costs			Total
Cost
At January 1, 2020		126,624			—			1,108			2,900			130,632
Additions		—			—			1,777			6,692			8,469
Reclassification		—			2,463			—			(2,463	)		—
Exchange differences		17,202			323			340			714			18,579
At December 31, 2020		143,826			2,786			3,225			7,843			157,680
Additions		—			2,860			1,667			2,597			7,124
Scrapped		—			(245	)		—			(165	)		(410	)
Reclassification		—			6,553			—			(6,553	)		—
Exchange differences		(13,462	)		(787	)		(372	)		(647	)		(15,268	)
At December 31, 2021		130,364			11,167			4,520			3,075			149,126
Accumulated amortization
At January 1, 2020		—			—			(153	)		—			(153	)
Amortization charge		—			(454	)		(506	)		—			(960	)
Exchange differences		—			(41	)		(63	)		—			(104	)
At December 31, 2020		—			(495	)		(722	)		—			(1,217	)
Amortization charge		—			(1,420	)		(780	)		—			(2,200	)
Exchange differences		—			109			107			—			216
At December 31, 2021		—			(1,806	)		(1,395	)		—			(3,201	)
Cost, net accumulated amortization
At December 31, 2020		143,826			2,291			2,503			7,843			156,463
At December 31, 2021		130,364			9,361			3,125			3,075			145,925

Summary of Key Assumptions

The following table sets out the key assumptions:

	2021			2020
Long-term growth rate (%)		2	%		2	%
Pre-tax discount rate (%)		12.6	%		12.8	%