Earnings per share (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings per share
Net income from continuing operations attributable to Consolidated Water Co. Ltd. stockholders	$ 823,611	$ 1,363,960	$ 5,857,459	$ 1,152,256
Less: preferred stock dividends	(2,925)	(2,628)	(8,609)	(8,362)
Net income from continuing operations available to common shares in the determination of basic earnings per common share	820,686	1,361,332	5,848,850	1,143,894
Loss from discontinued operations	(505,917)	(1,078,367)	(1,533,064)	(1,542,540)
Net income available to common shares in the determination of basic earnings per common share	$ 314,769	$ 282,965	$ 4,315,786	$ (398,646)
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)	15,290,597	15,209,432	15,287,233	15,204,220
Weighted average number of preferred shares outstanding during the period (in shares)	35,366	31,861	31,041	30,701
Potential dilutive effect of unexercised options and unvested stock grants	124,313	110,589	121,987	110,199
Weighted average number of shares used for determining diluted earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders	15,450,276	15,351,882	15,440,261	15,345,120