XML 47 R34.htm IDEA: XBRL DOCUMENT
v3.21.2

COMMITMENTS (Details) | 4 Months Ended
--- | ---
Dec. 31, 2020 USD ($) item $ / shares
COMMITMENTS |
Maximum number of demands for registration of securities | item | 3
Deferred fee per unit | $ / shares | $ 0.35
Aggregate deferred underwriter fee payable | $ | $ 8,104,600

X
- Definition The value as of the underwriting compensation deferred in the aggregate if the underwriter's option to purchase additional units is exercised in full. + References No definition available. + Details
Name: | dbdr_AggregateDeferredUnderwritingFeePayable
Namespace Prefix: | dbdr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the deferred fee per unit. + References No definition available. + Details
Name: | dbdr_DeferredFeePerUnit
Namespace Prefix: | dbdr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the maximum number of demands for registration of securities. + References No definition available. + Details
Name: | dbdr_MaximumNumberOfDemandsForRegistrationOfSecurities
Namespace Prefix: | dbdr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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