Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Total Revenues	$ 80,080	$ 71,410
Time-and-material
Disaggregation of Revenue [Line Items]
Total Revenues	70,526	65,206
Fixed-fee
Disaggregation of Revenue [Line Items]
Total Revenues	9,554	6,204
Retail
Disaggregation of Revenue [Line Items]
Total Revenues	25,396	23,307
Technology, Media and Telecom
Disaggregation of Revenue [Line Items]
Total Revenues	26,811	21,444
CPG/Manufacturing(1)
Disaggregation of Revenue [Line Items]
Total Revenues	12,646	14,979
Finance
Disaggregation of Revenue [Line Items]
Total Revenues	6,515	4,527
Other
Disaggregation of Revenue [Line Items]
Total Revenues	8,712	7,153
North America
Disaggregation of Revenue [Line Items]
Total Revenues	63,949	57,609
Europe
Disaggregation of Revenue [Line Items]
Total Revenues	15,894	13,735
Other
Disaggregation of Revenue [Line Items]
Total Revenues	$ 237	$ 66