Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Income Statement [Abstract]
Net sales	$ 176,697	$ 126,332
Cost of sales	114,535	81,200
Gross profit	62,162	45,132
Selling and administrative expenses	53,542	34,908
Amortization expenses	3,096	2,156
Acquisition and integration expenses	8,143	190
Gain on sale of Global Pump Solutions business	(64,502)	0
Other expenses	13	192
Income from operations	61,870	7,686
Other expense, net	(594)	(1,513)
Interest expense	(6,217)	(3,413)
Income before income taxes	55,059	2,760
Income tax expense	18,617	667
Net income	36,442	2,093
Noncontrolling interest	(458)	(585)
Net income attributable to CECO Environmental Corp.	$ 35,984	$ 1,508
Earnings per share:
Basic	$ 1.03	$ 0.04
Diluted	$ 0.98	$ 0.04
Weighted average number of common shares outstanding:
Basic	35,028,301	34,846,163
Diluted	36,689,320	36,177,323