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Goodwill and Other Intangible Assets, net - Reconciliation of Goodwill (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Beginning balance | $ 32,510 |  |
Ending balance | 32,510 | $ 32,510 |
IT Staffing Services [Member] |  |  |
Beginning balance | 8,427 | 8,427 | $ 8,427
Goodwill recorded | 0 | 0 | 0
Impairment | 0 | 0 | 0
Ending balance | 8,427 | 8,427 | 8,427
Data and Analytics Services [Member] |  |  |
Beginning balance | 24,083 | 24,083 | 17,679
Goodwill recorded | 0 | 0 | 6,404
Impairment | 0 | 0 | 0
Ending balance | $ 24,083 | $ 24,083 | $ 24,083

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