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

The maximum amount frozen in the bank accounts of the Company's Brazilian subsidiary.

No definition available.

Name:	mstr_MaximumAmountFrozenBrazilianSubsidiaryBankAccounts
Namespace Prefix:	mstr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration