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Goodwill and Other Intangible Assets, net - Reconciliation of Goodwill (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Beginning balance | $ 26,106 |  |
Impairment |  | $ 9,738 |
Ending balance | 26,106 | 26,106 |
IT Staffing Services [Member] |  |  |
Beginning balance | 8,427 | 8,427 | $ 8,427
Goodwill recorded | 0 |  |
Impairment | 0 |  |
Ending balance | 8,427 | 8,427 | 8,427
Data and Analytics Services [Member] |  |  |
Beginning balance | 17,679 | 27,417 |
Goodwill recorded |  |  | 27,417
Impairment |  | (9,738) |
Ending balance | $ 17,679 | $ 17,679 | $ 27,417

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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