Description of Business and Basis of Presentation (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Percent of fortune 500 companies serviced	90.00%		90.00%
Net income (loss)	$ 4,336	$ 19,856	$ 25,157	$ (11,685)
Revision of Prior Period, Error Correction, Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net income (loss)			$ 3,000

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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