Earnings per Share - Schedule of Reconciliation of Net Income and Weighted Average Shares Outstanding for the Calculation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
Numerator:
Net income – basic	$ 428	$ 77
Net income – diluted	$ 428	$ 77
Denominator:
Basic weighted average shares outstanding (in shares)	62,252,687	61,068,605
Effect of dilutive non-vested restricted shares and units (in shares)	931,985	1,359,298
Effect of issuable shares related to acquisitions (in shares)	68,883	108,200
Diluted weighted average shares outstanding (in shares)	63,253,555	62,536,103

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of contingently issuable shares. Contingently issuable shares are those shares that are issuable for little or no cash contingent on certain conditions being met.

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+ Details

- Definition

Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

+ References

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+ Details

- Definition

Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.

+ References + Details

NV5 Global, Inc. 10-Q