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Goodwill | 12 Months Ended
--- | ---
Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill | Goodwill The following table sets forth the activity in goodwill from December 31, 2017, through December 31, 2019 (in thousands):
| Goodwill |  |  |  |  |  |
| Temporary and consultant staffing |  | Permanent placement staffing |  | Risk consulting and internal audit services |  | Total
Balance as of December 31, 2017 | $ | 134,488 |  |  | $ | 26,159 |  |  | $ | 50,238 |  |  | $ | 210,885 |
Foreign currency translation adjustments | (421) |  |  | (101) |  |  | (405) |  |  | (927) |
Balance as of December 31, 2018 | $ | 134,067 |  |  | $ | 26,058 |  |  | $ | 49,833 |  |  | $ | 209,958 |
Foreign currency translation adjustments | 143 |  |  | 39 |  |  | 224 |  |  | 406 |
Balance as of December 31, 2019 | $ | 134,210 |  |  | $ | 26,097 |  |  | $ | 50,057 |  |  | $ | 210,364 |

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- Definition The entire disclosure for goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2144439 + Details
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