Discontinued Operations and Assets Held for Sale - Agreement to Sell Institution in Brazil (Details) - Assets classified as held for sale R$ in Thousands	Jun. 14, 2019 USD ($)	Apr. 16, 2019 USD ($)	Apr. 16, 2019 BRL (R$)
Sodecam - Sociedade De Desenvolvimento Cultural Do Amazonas Ltda
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		$ 50,900,000	R$ 194,800
Accounts payable disposed of		$ 2,600,000	R$ 9,800
Exeter Street Holdings, LLC
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	$ 5,800,000