Goodwill - Schedule of Goodwill (Details) - USD ($) $ in Thousands	7 Months Ended	10 Months Ended	12 Months Ended
	Dec. 31, 2020	Oct. 22, 2020	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Roll Forward]
Beginning balance			$ 91,636	$ 91,271
Goodwill impairment	$ 0	$ 0	(53,544)	0
Ending balance	91,271		48,683	91,636
PCI Acquisition
Goodwill [Roll Forward]
Measurement period adjustment				286
ProModel Acquisition
Goodwill [Roll Forward]
Measurement period adjustment				79
Goodwill arising from the ProModel Corporation acquisition			10,591
Cyber & Engineering
Goodwill [Roll Forward]
Beginning balance			35,252	34,966
Goodwill impairment			(35,252)
Ending balance	34,966		0	35,252
Cyber & Engineering | PCI Acquisition
Goodwill [Roll Forward]
Measurement period adjustment				286
Cyber & Engineering | ProModel Acquisition
Goodwill [Roll Forward]
Measurement period adjustment				0
Goodwill arising from the ProModel Corporation acquisition			0
Analytics
Goodwill [Roll Forward]
Beginning balance			56,384	56,305
Goodwill impairment			(18,292)
Ending balance	$ 56,305		48,683	56,384
Analytics | PCI Acquisition
Goodwill [Roll Forward]
Measurement period adjustment				0
Analytics | ProModel Acquisition
Goodwill [Roll Forward]
Measurement period adjustment				$ 79
Goodwill arising from the ProModel Corporation acquisition			$ 10,591