Debts and lines of credit (Details 2) (Parenthetical)	12 Months Ended
Dec. 31, 2025
Line of Credit Facility [Abstract]
Weighted average interest rate for the outstanding short-term debts	1.70%

Weighted average interest rate of short-term debt outstanding calculated over time.

No definition available.

Name:	us-gaap_ShortTermDebtWeightedAverageInterestRateOverTime
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration