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Derivative Instruments - Narrative (Details)
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 02, 2021
USD ($)
Nov. 30, 2020
USD ($)
educationalInstitution
R$ / $
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Nov. 30, 2020
BRL (R$)
educationalInstitution
R$ / $
Nov. 20, 2020
derivativeInstrument
Derivative [Line Items]                
Payments on derivatives related to sale of discontinued operations         $ 0 $ (50,341,000)    
Gain (loss) on derivatives     $ 0 $ 0 $ 0 $ (24,517,000)    
Not Designated as Hedging Instrument | Currency Swap notional amount                
Derivative [Line Items]                
Unamortized premium   $ 18,294,000            
Realized loss $ 33,710,000              
Not Designated as Hedging Instrument | Brazil, Brazil Real | Currency Swap, Deal Contingent                
Derivative [Line Items]                
Number of interest rate derivatives held | educationalInstitution   2         2  
Not Designated as Hedging Instrument | Brazil, Brazil Real | Cross Currency Interest Rate Contract, Instrument Three and Four                
Derivative [Line Items]                
Derivative notional amount | R$             R$ 1,900,000,000  
Not Designated as Hedging Instrument | Brazil, Brazil Real | Cross Currency Interest Rate Contract, Instrument Three                
Derivative [Line Items]                
Derivative notional amount | R$             950,000,000  
Not Designated as Hedging Instrument | Brazil, Brazil Real | Cross Currency Interest Rate Contract, Instrument Four                
Derivative [Line Items]                
Derivative notional amount | R$             950,000,000  
Not Designated as Hedging Instrument | Brazil, Brazil Real | Currency Swap notional amount                
Derivative [Line Items]                
Number of currency derivatives held (derivative instrument) | derivativeInstrument               6
Derivative notional amount   $ 343,783,000         R$ 1,875,000,000  
Derivative, exchange rate | R$ / $   5.4540         5.4540  
Payments on derivatives related to sale of discontinued operations   $ 1,663,000            
Not Designated as Hedging Instrument | Brazil, Brazil Real | Put/Call Options | Currency Swap notional amount                
Derivative [Line Items]                
Number of interest rate derivatives held | educationalInstitution   4         4