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Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 13,203	$ 6,416	$ 13,161	$ 13,793
Other comprehensive income:
Foreign currency translation adjustments	(2,985)	4,161	11,227	(1,684)
Comprehensive income	10,218	10,577	24,388	12,109
Less: net income attributable to noncontrolling interest	95	15	222	28
Less: Foreign currency translation adjustments attributable to noncontrolling interests	0	0	(127)	0
Comprehensive income attributable to Mistras Group, Inc.	$ 10,123	$ 10,562	$ 24,293	$ 12,081

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