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Revenue from Contracts with Customers - Summary of Disaggregation of Our Revenues by Contract Type and Operating Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Revenues by contract type and operating segment	$ 48,317	$ 46,823
Data and Analytics Services [Member]
Disaggregation of Revenue [Line Items]
Revenues by contract type and operating segment	8,960	8,067
Data and Analytics Services [Member] | Time-and-Material Contract [Member]
Disaggregation of Revenue [Line Items]
Revenues by contract type and operating segment	5,648	6,111
Data and Analytics Services [Member] | Fixed-Price Contract [Member]
Disaggregation of Revenue [Line Items]
Revenues by contract type and operating segment	3,312	1,956
IT Staffing Services [Member]
Disaggregation of Revenue [Line Items]
Revenues by contract type and operating segment	39,357	38,756
IT Staffing Services [Member] | Time-and-Material Contract [Member]
Disaggregation of Revenue [Line Items]
Revenues by contract type and operating segment	39,357	38,756
IT Staffing Services [Member] | Fixed-Price Contract [Member]
Disaggregation of Revenue [Line Items]
Revenues by contract type and operating segment	$ 0	$ 0

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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