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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 |

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- Definition Amount, after accumulated amortization, of debt premium. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1D -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399 + Details
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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4CC -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL109998890-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
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