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Commitments and Contingencies - Additional Information (Detail) R$ in Millions, $ in Millions | May 22, 2020 USD ($) | May 22, 2020 BRL (R$) | Feb. 06, 2020 USD ($) | Feb. 06, 2020 BRL (R$)
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Commitments And Contingencies Disclosure [Abstract] |  |  |  |
Maximum amount frozen in Brazilian subsidiary bank accounts |  |  | $ 2.3 | R$ 10.0
Maximum amount unfrozen in brazilian subsidiary bank accounts | $ 2.3 | R$ 10.0 |  |

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- Definition The maximum amount frozen in the bank accounts of the Company's Brazilian subsidiary. + References No definition available. + Details
Name: | mstr_MaximumAmountFrozenBrazilianSubsidiaryBankAccounts
Namespace Prefix: | mstr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The maximum amount unfrozen in the bank accounts of the Company's Brazilian subsidiary. + References No definition available. + Details
Name: | mstr_MaximumAmountUnfrozenBrazilianSubsidiaryBankAccounts
Namespace Prefix: | mstr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration