Nature of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule of Reconciliation of Cash, Cash Equivalents and Restricted Cash Reported within Consolidated Statements of Cash Flows

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the Consolidated Statements of Cash Flows.

	December 31,
	2022		2021
Cash and cash equivalents	$	45,522	$	29,902
Restricted cash		1,063		2,093
Total cash, cash equivalents and restricted cash	$	46,585	$	31,995

Schedule of Numerators and Denominators Used to Calculate Basic and Diluted Earnings Per Share

Earnings per share—The following table reconciles the numerators and denominators used to calculate basic and diluted earnings per share for 2022, 2021 and 2020.

	For the Year Ended December 31
	2022		2021		2020
(table only in thousands)
Numerator (for basic and diluted earnings per share)
Net income attributable to CECO Environmental Corp.	$	17,417	$	1,426	$	8,211
Denominator
Basic weighted-average shares outstanding		34,672		35,346		35,290
Common stock equivalents arising from stock options and restricted stock awards		333		249		231
Diluted weighted-average shares outstanding		35,005		35,595		35,521