XML 69 R56.htm IDEA: XBRL DOCUMENT
v3.21.1

Intangible Assets - Summary of Weighted Average Useful Lives of Intangible Assets by Asset Class Used for Straight-line Expense Purposes (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020
Customer Relationships |  |
Finite Lived Intangible Assets [Line Items] |  |
Weighted average useful lives | 11 years 9 months 18 days | 5 years
Contract Rights |  |
Finite Lived Intangible Assets [Line Items] |  |
Weighted average useful lives | 2 years 2 months 12 days | 2 years
Leasehold |  |
Finite Lived Intangible Assets [Line Items] |  |
Weighted average useful lives | 9 years 2 months 12 days |
Non-complete Agreement |  |
Finite Lived Intangible Assets [Line Items] |  |
Weighted average useful lives | 3 years | 3 years

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_ContractualRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=bwmn_LeaseholdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=bwmn_NonCompleteAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |