Goodwill (Details) $ in Thousands	9 Months Ended
Goodwill (Details) $ in Thousands	Sep. 30, 2022 USD ($)
Goodwill [Roll Forward]
Balance as of December 31, 2,021	$ 222,855
Foreign currency translation adjustments	(1,429)
Balance as of September 30, 2022	221,426
Contract talent solutions
Goodwill [Roll Forward]
Balance as of December 31, 2,021	134,584
Foreign currency translation adjustments	(821)
Balance as of September 30, 2022	133,763
Permanent placement talent solutions
Goodwill [Roll Forward]
Balance as of December 31, 2,021	26,189
Foreign currency translation adjustments	(160)
Balance as of September 30, 2022	26,029
Protiviti
Goodwill [Roll Forward]
Balance as of December 31, 2,021	62,082
Foreign currency translation adjustments	(448)
Balance as of September 30, 2022	$ 61,634

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.