Acquisitions - Additional Information (Details) S/ in Thousands, $ in Thousands, $ in Thousands			1 Months Ended		12 Months Ended
	Nov. 05, 2018 USD ($)	Nov. 05, 2018 PEN (S/)	Jun. 30, 2017 USD ($)	Jun. 30, 2017 AUD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Business Acquisition [Line Items]
Business acquisitions, net of cash acquired					$ 1,205	$ 17,019	$ 835
Avansys
Business Acquisition [Line Items]
Consideration transferred in business combination	$ 18,900	S/ 63,000
Business acquisitions, net of cash acquired	17,019
Debt assumed	$ 874
Careers Australia
Business Acquisition [Line Items]
Business acquisitions, net of cash acquired			$ 835	$ 1,107
Debt assumed			$ 7,433	$ 9,850