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Disaggregation of Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 1,405,308	$ 1,531,756	$ 1,710,765
Flex revenue
Disaggregation of Revenue [Line Items]
Revenue	1,376,444	1,493,774	1,652,450
Direct Hire revenue
Disaggregation of Revenue [Line Items]
Revenue	28,864	37,982	58,315
Technology
Disaggregation of Revenue [Line Items]
Revenue	1,292,743	1,384,553	1,507,627
Technology | Flex revenue
Disaggregation of Revenue [Line Items]
Revenue	1,278,715	1,366,095	1,476,055
Technology | Direct Hire revenue
Disaggregation of Revenue [Line Items]
Revenue	14,028	18,458	31,572
FA
Disaggregation of Revenue [Line Items]
Revenue	112,565	147,203	203,138
FA | Flex revenue
Disaggregation of Revenue [Line Items]
Revenue	97,729	127,679	176,395
FA | Direct Hire revenue
Disaggregation of Revenue [Line Items]
Revenue	$ 14,836	$ 19,524	$ 26,743

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