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Derivative Instruments - Derivatives Designated as Hedging Instruments Narrative (Details) R$ in Millions |  |  |  |  | 1 Months Ended | 2 Months Ended | 3 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |
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Apr. 15, 2020 USD ($) | Jun. 04, 2019 USD ($) $ / € | May 15, 2019 USD ($) | Aug. 21, 2018 USD ($) | Apr. 30, 2019 USD ($) | Jun. 15, 2020 USD ($) | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($) $ / € | Dec. 31, 2019 USD ($) swapAgreement | Dec. 31, 2018 USD ($) derivativeInstrument | Dec. 31, 2020 EUR (€) $ / € | Nov. 20, 2020 USD ($) educationalInstitution derivativeInstrument R$ / $ | Nov. 20, 2020 BRL (R$) educationalInstitution derivativeInstrument R$ / $ | Sep. 30, 2020 AUD ($) swapAgreement | Apr. 08, 2020 USD ($) $ / € | Apr. 08, 2020 EUR (€) $ / € | May 31, 2019 USD ($) $ / € | May 31, 2019 EUR (€) $ / € | May 01, 2019 swapAgreement | Apr. 30, 2019 EUR (€) swapAgreement | May 31, 2017 USD ($) derivativeInstrument
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) Gain Recognized in Comprehensive Income (Effective Portion) |  |  |  |  |  |  |  | $ 0 | $ (7,950,000) | $ 13,709,000 |  |  |  |  |  |  |  |  |  |  |
Derivative liability |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |
Fair Value, Measurements, Recurring |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative liability |  |  |  |  |  |  |  | 25,824,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Level 3 | Fair Value, Measurements, Recurring |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative liability |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives designated as hedging instruments: | Interest Rate Swaps |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) Gain Recognized in Comprehensive Income (Effective Portion) |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives designated as hedging instruments: | Cash Flow Hedging |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, cash received on hedge |  |  |  | $ 14,117,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives designated as hedging instruments: | Cash Flow Hedging | Interest Rate Swaps |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General fair value hedge information, hedge effectiveness threshold |  |  |  |  |  |  |  | 100.00% |  |  | 100.00% |  |  |  |  |  |  |  |  |  |
Number of interest rate derivatives held (derivative instrument) | derivativeInstrument |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4
Derivatives designated as hedging instruments: | Cash Flow Hedging | Interest Rate Swap, Instrument One |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000
Derivatives designated as hedging instruments: | Cash Flow Hedging | Interest Rate Swap, Instrument Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100,000,000
Derivatives designated as hedging instruments: | Cash Flow Hedging | Interest Rate Swap, Instrument Three |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,000,000
Derivatives designated as hedging instruments: | Cash Flow Hedging | Interest Rate Swap, Instrument Four |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 300,000,000
Derivatives designated as hedging instruments: | Net Investment Hedging | Net Investment Cross Currency Swaps |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of currency derivatives held (derivative instrument) | derivativeInstrument |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |
General fair value hedge information, hedge effectiveness threshold |  |  |  |  |  |  |  | 100.00% |  |  | 100.00% |  |  |  |  |  |  |  |  |  |
(Loss) Gain Recognized in Comprehensive Income (Effective Portion) |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives designated as hedging instruments: | Net Investment Hedging | Cross Currency Interest Rate Contract, Instrument One |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, cash received on hedge |  |  |  |  | $ 7,679,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  | $ 59,210,000 |  |  | € 50,000,000 |  |  |  |  |  |  |  |  |  |
Implied exchange rate |  |  |  |  |  |  |  | 1.1842 |  |  | 1.1842 |  |  |  |  |  |  |  |  |  |
Derivatives designated as hedging instruments: | Net Investment Hedging | Cross Currency Interest Rate Contract, Instrument One | Euro Member Countries, Euro |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Swaption interest rate |  |  |  |  |  |  |  | 5.63% |  |  | 5.63% |  |  |  |  |  |  |  |  |  |
Derivatives designated as hedging instruments: | Net Investment Hedging | Cross Currency Interest Rate Contract, Instrument One | United States of America, Dollars |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Swaption interest rate |  |  |  |  |  |  |  | 8.25% |  |  | 8.25% |  |  |  |  |  |  |  |  |  |
Derivatives designated as hedging instruments: | Net Investment Hedging | Cross Currency Interest Rate Contract, Instrument Two |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  | $ 59,360,000 |  |  | € 50,000,000 |  |  |  |  |  |  |  |  |  |
Implied exchange rate |  |  |  |  |  |  |  | 1.1872 |  |  | 1.1872 |  |  |  |  |  |  |  |  |  |
Derivatives designated as hedging instruments: | Net Investment Hedging | Cross Currency Interest Rate Contract, Instrument Two | Euro Member Countries, Euro |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Swaption interest rate |  |  |  |  |  |  |  | 5.6675% |  |  | 5.6675% |  |  |  |  |  |  |  |  |  |
Derivatives designated as hedging instruments: | Net Investment Hedging | Cross Currency Interest Rate Contract, Instrument Two | United States of America, Dollars |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Swaption interest rate |  |  |  |  |  |  |  | 8.25% |  |  | 8.25% |  |  |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Net Investment Cross Currency Swaps |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Unamortized Premium |  |  |  |  |  |  |  |  |  |  |  | $ 18,294,000 |  |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Net Investment Cross Currency Swaps | Brazil, Brazil Real |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of currency derivatives held (derivative instrument) | derivativeInstrument |  |  |  |  |  |  |  |  |  |  |  | 6 | 6 |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  |  |  |  |  | $ 343,783,000 | R$ 1,875 |  |  |  |  |  |  |  |
Derivative, swap type, variable price | R$ / $ |  |  |  |  |  |  |  |  |  |  |  | 5.4540 | 5.4540 |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Net Investment Cross Currency Swaps | Brazil, Brazil Real | Put/Call Options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of interest rate derivatives held (derivative instrument) | educationalInstitution |  |  |  |  |  |  |  |  |  |  |  | 4 | 4 |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Net Investment Cross Currency Swaps | Australia, Dollars |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  | $ 13,713,000 |  |  | € 21,000,000 |  |  |  | $ 12,921,000 | € 21,000 |  |  |  |  |
Derivative, swap type, variable price | $ / € |  |  |  |  |  |  |  | 0.6530 |  |  | 0.6530 |  |  |  | 0.6153 | 0.6153 |  |  |  |  |
Unrealized gain (loss) on derivatives |  |  |  |  |  | $ (1,340,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Cross Currency Interest Rate Contract, Instrument Two | Australia, Dollars |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 12,999,000 | € 21,000,000 |  |  |  |  |
Derivative, swap type, variable price | $ / € |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.6190 | 0.6190 |  |  |  |  |
Unrealized gain (loss) on derivatives | $ 714,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Cross Currency Interest Rate Contract, Instrument Three and Four | Brazil, Brazil Real |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount | R$ |  |  |  |  |  |  |  |  |  |  |  |  | R$ 1,900 |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Cross Current Interest Rate Contract, Instrument Three | Brazil, Brazil Real |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount | R$ |  |  |  |  |  |  |  |  |  |  |  |  | R$ 950 |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Cross Current Interest Rate Contract, Instrument Three | Brazil, Brazil Real | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, swap type, variable price | R$ / $ |  |  |  |  |  |  |  |  |  |  |  | 5.484143 | 5.484143 |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Cross Current Interest Rate Contract, Instrument Three | Brazil, Brazil Real | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, swap type, variable price | R$ / $ |  |  |  |  |  |  |  |  |  |  |  | 5.678624 | 5.678624 |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Cross Current Interest Rate Contract, Instrument Four | Brazil, Brazil Real |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount | R$ |  |  |  |  |  |  |  |  |  |  |  |  | R$ 950 |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Cross Current Interest Rate Contract, Instrument Four | Brazil, Brazil Real | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, swap type, variable price | R$ / $ |  |  |  |  |  |  |  |  |  |  |  | 5.44706 | 5.44706 |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Cross Current Interest Rate Contract, Instrument Four | Brazil, Brazil Real | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, swap type, variable price | R$ / $ |  |  |  |  |  |  |  |  |  |  |  | 5.63255 | 5.63255 |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Cross Currency Swaps |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of currency derivatives held (derivative instrument) | swapAgreement |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  | 9 |  |
Derivative liability, current |  |  |  |  |  |  |  | $ 17,680,000 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |
Derivative liability, noncurrent |  |  |  |  |  |  |  | 8,144,000 | 0 |  |  |  |  |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Cross Currency Swaps | Euro Member Countries, Euro |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of currency derivatives held (derivative instrument) | swapAgreement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7 |
Derivative, notional amount |  | $ 597,149,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 423,003,000 | € 532,000,000 |  | € 375,000,000 |
Derivative, swap type, variable price | $ / € |  | 1.122461 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.128007 | 1.128007 |  |  |
Unrealized gain (loss) on derivatives |  | $ (565,000) | $ 1,644,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives not designated as hedging instruments: | Cross Currency Swaps | Australia, Dollars |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of currency derivatives held (derivative instrument) | swapAgreement |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  | 7,443,000 |  |  |  |  |  | $ 11,000,000 |  |  |  |  |  |  |
Derivative, swap type, variable price |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.6766 |  |  |  |  |  |  |
Interest Expense | Interest Rate Swaps |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(Loss) Gain Recognized in Comprehensive Income (Effective Portion) |  |  |  |  |  |  |  | $ 0 | $ (11,818,000) | $ 5,772,000 |  |  |  |  |  |  |  |  |  |  |
Interest Expense | Derivatives designated as hedging instruments: | Cash Flow Hedging |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash flow hedge, reclassification for discontinuance, before tax |  |  |  |  |  |  | $ 9,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Derivative, Swap Type, Exchange Rate + References No definition available. + Details
Name: | laur_DerivativeSwapTypeExchangeRate
Namespace Prefix: | laur_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

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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 http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28541-108399 + Details
Name: | us-gaap_DebtInstrumentUnamortizedPremium
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Average cap rate on a group of foreign currency derivatives for example, but not limited to, caps or collars. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageExchangeRateCap1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

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- Definition The amount of cash received during the period on settlement of a hedge. + References No definition available. + Details
Name: | us-gaap_DerivativeCashReceivedOnHedge
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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