Earnings per share (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Earnings per share
Net income from continuing operations attributable to Consolidated Water Co. Ltd. Stockholders	$ 18,627,308	$ 17,882,370	$ 30,672,135
Less: preferred stock dividends	(22,572)	(18,595)	(15,513)
Net income from continuing operations available to common shares in the determination of basic earnings per common share	18,604,736	17,863,775	30,656,622
Income (loss) from discontinued operations	(290,635)	10,355,184	(1,086,744)
Net income available to common shares in the determination of basic earnings per common share	$ 18,314,101	$ 28,218,959	$ 29,569,878
Weighted average number of common shares in the determination of basic earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders (in shares)	15,923,032	15,832,328	15,739,056
Weighted average number of preferred shares outstanding during the period (in shares)	41,907	44,257	39,885
Potential dilutive effect of unexercised options and unvested stock grants (in shares)	43,124	59,377	86,956
Weighted average number of shares used for determining diluted earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders (in shares)	16,008,063	15,935,962	15,865,897