Goodwill (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2024 USD ($)
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 237,970
Foreign currency translation adjustments	(330)
Goodwill, ending balance	237,640
Contract talent solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	134,287
Foreign currency translation adjustments	(152)
Goodwill, ending balance	134,135
Permanent placement talent solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	26,131
Foreign currency translation adjustments	(29)
Goodwill, ending balance	26,102
Protiviti
Goodwill [Roll Forward]
Goodwill, beginning balance	77,552
Foreign currency translation adjustments	(149)
Goodwill, ending balance	$ 77,403