Discontinued Operations and Assets Held for Sale - Sales Agreements (Details) R$ in Thousands, $ in Thousands			9 Months Ended
	Jun. 14, 2019 USD ($)	Apr. 16, 2019 BRL (R$)	Sep. 30, 2019 USD ($) campus
Sodecam - Sociedade De Desenvolvimento Cultural Do Amazonas Ltda | Assets classified as held for sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percent of ownership disposed of		100.00%
Consideration received from dispositions		R$ 194,800	$ 46,600
Accounts payable disposed of		R$ 9,800	$ 2,300
Exeter Street Holdings, LLC | Assets classified as held for sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percent of ownership disposed of	100.00%
Consideration received from dispositions | $	$ 5,800
Affiliated Entity | INTI Education Holdings Sdn Bhd | MALAYSIA
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of campuses | campus			5