Segment reporting - Schedule of Revenue by Major Customers (Details) - customer	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenue, Major Customer [Line Items]
Number of key customers	8		8
Revenue Benchmark | Customer Concentration Risk | Customer D
Revenue, Major Customer [Line Items]
Concentration risk, percentage	20.50%	0.00%	27.40%	0.00%
Revenue Benchmark | Customer Concentration Risk | Customer G
Revenue, Major Customer [Line Items]
Concentration risk, percentage	14.80%	0.00%	20.60%	0.00%
Revenue Benchmark | Customer Concentration Risk | Customer H
Revenue, Major Customer [Line Items]
Concentration risk, percentage	21.40%	0.00%	20.00%	0.00%
Revenue Benchmark | Customer Concentration Risk | Customer A
Revenue, Major Customer [Line Items]
Concentration risk, percentage	0.00%	0.00%	2.20%	37.40%
Revenue Benchmark | Customer Concentration Risk | Customer C
Revenue, Major Customer [Line Items]
Concentration risk, percentage	0.00%	0.00%	0.00%	16.90%
Revenue Benchmark | Customer Concentration Risk | Customer F
Revenue, Major Customer [Line Items]
Concentration risk, percentage	0.00%	15.00%	0.00%	15.20%
Revenue Benchmark | Customer Concentration Risk | Customer B
Revenue, Major Customer [Line Items]
Concentration risk, percentage	3.90%	73.10%	0.70%	14.20%
Revenue Benchmark | Customer Concentration Risk | Customer E
Revenue, Major Customer [Line Items]
Concentration risk, percentage	16.00%	1.00%	10.70%	7.30%