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Summary of significant accounting policies - Schedule of Concentration Risk (Details) - Customer Concentration Risk	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Revenue Benchmark | Major Customers
Concentration Risk [Line Items]
Customer concentration risk	24.60%	22.70%	12.00%	26.10%
Revenue Benchmark | Customer A
Concentration Risk [Line Items]
Customer concentration risk	12.00%	11.50%	12.00%	14.40%
Revenue Benchmark | Customer B
Concentration Risk [Line Items]
Customer concentration risk		11.20%		11.70%
Revenue Benchmark | Customer C
Concentration Risk [Line Items]
Customer concentration risk	12.60%
Accounts Receivable | Major Customers
Concentration Risk [Line Items]
Customer concentration risk			39.00%		38.50%
Accounts Receivable | Customer C
Concentration Risk [Line Items]
Customer concentration risk			28.00%		16.30%
Accounts Receivable | Customer D
Concentration Risk [Line Items]
Customer concentration risk					11.40%
Accounts Receivable | Customer E
Concentration Risk [Line Items]
Customer concentration risk					10.80%
Accounts Receivable | Customer F
Concentration Risk [Line Items]
Customer concentration risk			11.00%

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