BlackSky Technology Inc. General form of registration statement for all companies including face-amount certificate companies

General form of registration statement for all companies including face-amount certificate companies

Cover
- Cover Page
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary Of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Discontinued Operations - Additional Information (Detail)

v3.21.2

Discontinued Operations - Additional Information (Detail) - USD ($) $ in Millions	Apr. 01, 2021	Jun. 12, 2020	Apr. 30, 2021	Mar. 30, 2021	Jun. 11, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Payment of upfront fees	$ 2.0
Settlement Arrangement for the Sale of the Launch Division [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group including discontinued operation purchase price settlement amount				$ 6.8
Payment of upfront fees	$ 2.0
Contractual refund due from Customer			$ 3.9
Contingent liabilities for unfavorable working capital adjustment			$ 1.0
Discontinued Operations [Member] \| M & Y Space [Member] \| Launch Division [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity method investment ownership percentage					100.00%
Equity method investment ownership percentage disposed off		100.00%
Disposal group including discontinued operation consideration receivable					$ 31.6
Disposal group including discontinued operation adjustment of consideration receivable		$ 26.0
Disposal group including discontinued operation adjustment of consideration receivable unpaid accrued interest		0.2
Debt instrument forgiveness of interest		$ 0.5

- Definition

Contractual refund due from customer.

+ References

No definition available.

+ Details

Name:	bksy_ContractualRefundDueFromCustomer
Namespace Prefix:	bksy_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Disposal group including discontinued operation adjustment of consideration receivable.

+ References

No definition available.

+ Details

Name:	bksy_DisposalGroupIncludingDiscontinuedOperationAdjustmentOfConsiderationReceivable
Namespace Prefix:	bksy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Disposal group including discontinued operation adjustment of consideration receivable unpaid accrued interest.

+ References

No definition available.

+ Details

Name:	bksy_DisposalGroupIncludingDiscontinuedOperationAdjustmentOfConsiderationReceivableUnpaidAccruedInterest
Namespace Prefix:	bksy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Disposal group including discontinued operation purchase price settlement amount.

+ References

No definition available.

+ Details

Name:	bksy_DisposalGroupIncludingDiscontinuedOperationPurchasePriceSettlementAmount
Namespace Prefix:	bksy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Equity method investment ownership percentage disposed off.

+ References

No definition available.

+ Details

Name:	bksy_EquityMethodInvestmentOwnershipPercentageDisposedOff
Namespace Prefix:	bksy_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Payment of upfront fees.

+ References

No definition available.

+ Details

Name:	bksy_PaymentOfUpfrontFees
Namespace Prefix:	bksy_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Decrease for amounts of indebtedness forgiven by the holder of the debt instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Name:	us-gaap_DebtInstrumentDecreaseForgiveness
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amounts of material contingent liabilities, for example, but not limited to, product or environmental liabilities or litigation, that remain with the entity despite the disposal of the disposal group that is classified as a component of the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.Z.5.Q2)
-URI http://asc.fasb.org/extlink&oid=26872618&loc=d3e7384-122677

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14472-108349

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14453-108349

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12021-110248

Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14394-108349

Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

+ Details

Name:	us-gaap_DiscontinuedOperationAmountsOfMaterialContingentLiabilitiesRemaining
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	bksy_AgreementAxis=bksy_SettlementArrangementForTheSaleOfTheLaunchDivisionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_SegmentDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=bksy_MAndYSpaceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=bksy_LaunchDivisionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: