CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Workforce Solutions Group, Inc.	Selected, Inc	Common Stock	Common Stock Workforce Solutions Group, Inc.	Common Stock Selected, Inc	Additional Paid-In Capital	Additional Paid-In Capital Workforce Solutions Group, Inc.	Additional Paid-In Capital Selected, Inc	Accumulated Other Comprehensive Loss	Accumulated Deficit	Noncontrolling Interest in Subsidiary
Beginning balance (in shares) at Dec. 31, 2018				35,626
Beginning balance at Dec. 31, 2018	$ 218,198			$ 4			$ 303,048			$ (1,462)	$ (84,062)	$ 670
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of share options (in shares)				14
Vesting of restricted stock (in shares)				231
Vesting of restricted stock	(801)						(801)
Equity compensation	3,396						3,396
Foreign currency translation adjustment, net of taxes	47									47
Net change in hedging transaction, net of taxes	175									175
Distribution to noncontrolling shareholder	(1,572)											(1,572)
Net (loss) income	(55,943)										(57,713)	1,770
Ending balance (in shares) at Dec. 31, 2019				35,871
Ending balance at Dec. 31, 2019	163,500			$ 4			305,643			(1,240)	(141,775)	868
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted stock (in shares)				306
Vesting of restricted stock	(658)						(658)
Equity compensation	5,403						5,403
Foreign currency translation adjustment, net of taxes	(40)									(40)
Distribution to noncontrolling shareholder	(1,154)											(1,154)
Net (loss) income	(12,142)										(12,962)	820
Ending balance (in shares) at Dec. 31, 2020				36,177
Ending balance at Dec. 31, 2020	154,909			$ 4			310,388			(1,280)	(154,737)	534
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted stock (in shares)				479
Vesting of restricted stock	(2,230)						(2,230)
Equity compensation	6,894						6,894
Foreign currency translation adjustment, net of taxes	(13)									(13)
Acquisitions( in shares )					308	60
Acquisitions		$ 5,000	$ 1,500					$ 5,000	$ 1,500
Dissolution of noncontrolling interest	324											324
Distribution to noncontrolling shareholder	(210)											(210)
Net (loss) income	132,002										132,002	0
Ending balance (in shares) at Dec. 31, 2021				37,024
Ending balance at Dec. 31, 2021	$ 297,528			$ 4			$ 321,552			$ (1,293)	$ (22,735)	$ 0