Consolidated Statements of Stockholders' Equity - Predecessor - USD ($) $ in Thousands	Total	Predecessor	Common Stock	Common Stock Predecessor	Series A Preferred Stock	Treasury Stock Predecessor	Additional Paid-In Capital	Additional Paid-In Capital Predecessor	Accumulated Earnings (Deficit)	Accumulated Earnings (Deficit) Predecessor	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Predecessor
Balance at the beginning of the period (in shares) at Dec. 31, 2022				5,024,802
Balance at the beginning of the period at Dec. 31, 2022		$ 522,129		$ 50		$ (1,029)		$ 511,352		$ 23,736		$ (11,980)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(6,289)								(6,289)
Dividend		(150,000)						(150,000)
Share-based compensation expense		4,975						4,975
Other comprehensive income (loss)		11,184										11,184
Balance at the end of the period (in shares) at Dec. 31, 2023				5,024,802
Balance at the end of the period at Dec. 31, 2023		381,999		$ 50		(1,029)		366,327		17,447		(796)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(15,703)								(15,703)
Share-based compensation expense		17,858						17,858
Other comprehensive income (loss)		(18,004)										(18,004)
Balance at the end of the period (in shares) at Jul. 29, 2024				5,024,802
Balance at the end of the period at Jul. 29, 2024		$ 366,150		$ 50		$ (1,029)		$ 384,185		$ 1,744		$ (18,800)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ (105,452)
Balance at the end of the period (in shares) at Dec. 31, 2024	121,476,215		121,476,215		1,000,000
Balance at the end of the period at Dec. 31, 2024	$ 1,151,172		$ 12		$ 0		$ 1,293,638		$ (106,989)		$ (35,489)
Balance at the beginning of the period (in shares) at Jul. 30, 2024			53,975,000		1,000,000
Balance at the beginning of the period at Jul. 30, 2024	555,890		$ 0		$ 0		557,427		(1,537)		0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(105,452)								(105,452)
Share-based compensation expense	64,626						64,626
Stock Issued During Period Value, Settlement of Derivative Liability	967						967
Equity consideration issued in conjunction with Acuren Acquisition (in shares)			400,000
Equity consideration issued in conjunction with NV5 Acquisition	4,000						4,000
Issuance of common shares and exercise of warrants, net of issuance costs (in shares)			67,037,515
Issuance of common shares and exercise of warrants, net of issuance costs	666,630						666,630
Issuance of common shares to employees (in shares)			63,700
Impact of Domestication	(12)		$ 12
Other comprehensive income (loss)	$ (35,489)										(35,489)
Balance at the end of the period (in shares) at Dec. 31, 2024	121,476,215		121,476,215		1,000,000
Balance at the end of the period at Dec. 31, 2024	$ 1,151,172		$ 12		$ 0		1,293,638		(106,989)		(35,489)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(87,116)								(87,116)
Share-based compensation expense	16,498						16,498
Equity consideration issued in conjunction with Acuren Acquisition (in shares)			73,184,470
Equity consideration issued in conjunction with NV5 Acquisition	768,304		$ 7				768,297
Restricted stock awards issued for converted NV5 awards in conjunction with the NV5 Acquisition (in shares)			7,280,777
Fair value of NV5 replaced awards included in purchase consideration for pre-combination service	$ 29,744						29,744
Restricted stock issuances and restricted stock unit vestings, net (in shares)	7,246
Restricted stock issuances and restricted stock unit vestings, net	$ (1,217)						(1,217)
Issuance of common shares in conjunction with the PIPE financing, net of issuance costs (in shares)			17,708,333
Issuance of common shares in conjunction with the PIPE financing, net of issuance costs	246,463		$ 2				246,461
Issuance of common shares and exercise of warrants, net of issuance costs (in shares)			828,004
Issuance of common shares and exercise of warrants, net of issuance costs	9,522						9,522
Other comprehensive income (loss)	$ 46,546										46,546
Balance at the end of the period (in shares) at Dec. 31, 2025	220,485,045		220,485,045		1,000,000
Balance at the end of the period at Dec. 31, 2025	$ 2,179,916		$ 21		$ 0		$ 2,362,943		$ (194,105)		$ 11,057