Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net sales	$ 137,522	$ 129,181	$ 263,854	$ 241,744
Cost of sales	88,475	89,364	169,675	167,034
Gross profit	49,047	39,817	94,179	74,710
Selling and administrative expenses	36,465	28,451	71,372	55,644
Amortization and earnout expenses	2,210	2,273	4,419	4,020
Acquisition and integration expenses	476	332	666	824
Executive transition expenses	0	158	0	158
Restructuring expenses	414	0	554	0
Asbestos litigation expenses	225	0	225	0
Income from operations	9,257	8,603	16,943	14,064
Other (expense) income, net	(679)	121	(2,192)	(453)
Interest expense	(3,254)	(3,750)	(6,667)	(6,158)
Income before income taxes	5,324	4,974	8,084	7,453
Income tax expense	394	984	1,062	993
Net income	4,930	3,990	7,022	6,460
Non-controlling interest	(445)	(266)	(1,029)	(759)
Net income attributable to CECO Environmental Corp.	$ 4,485	$ 3,724	$ 5,993	$ 5,701
Earnings per share:
Basic	$ 0.13	$ 0.11	$ 0.17	$ 0.17
Diluted	$ 0.12	$ 0.11	$ 0.17	$ 0.16
Weighted average number of common shares outstanding:
Basic	34,918,412	34,619,216	34,881,625	34,531,050
Diluted	36,302,664	35,143,782	36,239,331	35,171,727