Employee Stock Purchase and Stock Incentive Plans - Summary of Future expense of Unvested Awards (Details) $ in Thousands	Jun. 30, 2024 USD ($)
Share-Based Payment Arrangement [Abstract]
2024	$ 7,854
2025	11,699
2026	3,647
2027	157
2028 and thereafter	6
Total	$ 23,363

Future expense of unvested awards, reminder of fiscal year.

No definition available.

Name:	bwmn_FutureExpenseOfUnvestedAwardsReminderOfFiscalYear
Namespace Prefix:	bwmn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant