XML 87 R74.htm IDEA: XBRL DOCUMENT v3.21.1

Commitments and Contingencies - Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) LeaseAgreement	Mar. 31, 2020 USD ($)
Commitments And Contingencies Disclosure [Abstract]
Number of lease agreements | LeaseAgreement	3
Rent expense | $	$ 1.4	$ 2.1

X

- Definition

Number of lease agreements.

+ References

No definition available.

+ Details

Name:	bwmn_NumberOfLeaseAgreements
Namespace Prefix:	bwmn_
Data Type:	xbrli:integerItemType
Balance Type:	na
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

X

- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918638-209977

+ Details

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