Goodwill (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2025 USD ($)
Goodwill
Beginning balance	$ 237,180
Acquisitions	12,107
Foreign currency translation adjustments	1,864
Ending balance	251,151
Goodwill recognized across the subsidiaries	251,151
Adamantia
Goodwill
Ending balance	12,100
Goodwill recognized across the subsidiaries	12,100
Contract talent solutions
Goodwill
Beginning balance	133,938
Acquisitions	1,205
Foreign currency translation adjustments	607
Ending balance	135,750
Goodwill recognized across the subsidiaries	135,750
Permanent placement talent solutions
Goodwill
Beginning balance	26,063
Acquisitions	235
Foreign currency translation adjustments	118
Ending balance	26,416
Goodwill recognized across the subsidiaries	26,416
Protiviti
Goodwill
Beginning balance	77,179
Acquisitions	10,667
Foreign currency translation adjustments	1,139
Ending balance	88,985
Goodwill recognized across the subsidiaries	$ 88,985