Segment reporting - Schedule of Revenue by Major Customers (Details) - customer	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue, Major Customer [Line Items]
Number of key customers	8
Revenue Benchmark | Customer Concentration Risk | Customer D
Revenue, Major Customer [Line Items]
Concentration risk, percentage	40.10%	0.50%
Revenue Benchmark | Customer Concentration Risk | Customer G
Revenue, Major Customer [Line Items]
Concentration risk, percentage	29.50%	0.00%
Revenue Benchmark | Customer Concentration Risk | Customer H
Revenue, Major Customer [Line Items]
Concentration risk, percentage	15.40%	0.00%
Revenue Benchmark | Customer Concentration Risk | Customer A
Revenue, Major Customer [Line Items]
Concentration risk, percentage	6.40%	28.70%
Revenue Benchmark | Customer Concentration Risk | Customer C
Revenue, Major Customer [Line Items]
Concentration risk, percentage	0.00%	24.00%
Revenue Benchmark | Customer Concentration Risk | Customer F
Revenue, Major Customer [Line Items]
Concentration risk, percentage	1.40%	15.30%
Revenue Benchmark | Customer Concentration Risk | Customer B
Revenue, Major Customer [Line Items]
Concentration risk, percentage	0.00%	12.40%
Revenue Benchmark | Customer Concentration Risk | Customer E
Revenue, Major Customer [Line Items]
Concentration risk, percentage	0.00%	11.60%