Goodwill (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Apr. 30, 2025 USD ($) acquisition	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Goodwill [Roll Forward]
Beginning balance		$ 237,180	$ 237,970
Acquisitions	$ 12,400	12,418
Foreign currency translation adjustments		1,871	(790)
Ending balance		251,469	237,180
Number of acquisitions | acquisition	2
Recognition of goodwill through acquisition	$ 12,400	12,418
Contract Talent Solutions
Goodwill [Roll Forward]
Beginning balance		133,938	134,287
Acquisitions		1,205
Foreign currency translation adjustments		555	(349)
Ending balance		135,698	133,938
Recognition of goodwill through acquisition		1,205
Permanent Placement Talent Solutions
Goodwill [Roll Forward]
Beginning balance		26,063	26,131
Acquisitions		235
Foreign currency translation adjustments		108	(68)
Ending balance		26,406	26,063
Recognition of goodwill through acquisition		235
Protiviti
Goodwill [Roll Forward]
Beginning balance		77,179	77,552
Acquisitions		10,978
Foreign currency translation adjustments		1,208	(373)
Ending balance		89,365	$ 77,179
Recognition of goodwill through acquisition		$ 10,978