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Goodwill
3 Months Ended
Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill Goodwill
The following table sets forth the activity in goodwill from December 31, 2019, through March 31, 2020 (in thousands):
Goodwill
  
Temporary and consultant staffingPermanent placement staffingRisk consulting and internal audit services Total
Balance as of December 31, 2019
$134,210  $26,097  $50,057  $210,364  
Foreign currency translation adjustments(364) (99) (398) (861) 
Balance as of March 31, 2020
$133,846  $25,998  $49,659  $209,503