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Related Party Transactions - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Aug. 31, 2022
Related Party Transaction [Line Items]
Related party transaction, due from related party	$ 200,000		$ 200,000
2015 Acquisition
Related Party Transaction [Line Items]
Related party transaction, due to related party	100,000		200,000
KTA Group Inc.
Related Party Transaction [Line Items]
Related party transaction, due to related party	9,600,000		11,500,000
Administrative, Accounting and Project Management Services
Related Party Transaction [Line Items]
Related Party transaction, cost of service	15,000	$ 17,000
Related party transaction, due from related party	16,000	20,000
Gregory Bowman
Related Party Transaction [Line Items]
Related party transaction, due from employee	35,000	34,000
Sunrise Asset Management
Related Party Transaction [Line Items]
Ownership percentage				100.00%
BCG Chantilly, LLC
Related Party Transaction [Line Items]
Related party transaction, due from (to) related party	0		0
Rent expense	$ 21,000	21,000
BCG Chantilly, LLC \| Mr. Bowman, Mr. Bruen and Mr. Hickey
Related Party Transaction [Line Items]
Ownership percentage	63.60%
Bowman Lansdowne Development, LLC
Related Party Transaction [Line Items]
Notes receivable	$ 500,000		500,000
Lansdowne Development Group, LLC
Related Party Transaction [Line Items]
Notes receivable	400,000		400,000
Accounts receivable	100,000		100,000
Bowman Realty Investments 2010, LLC
Related Party Transaction [Line Items]
Notes receivable	200,000		200,000
Alwington Farm Developers, LLC
Related Party Transaction [Line Items]
Notes receivable	1,200,000		$ 1,200,000
MREC Shenandoah VA, LLC \| Engineering Services
Related Party Transaction [Line Items]
Invoices	100,000	100,000
Related Party transaction, payments received	$ 100,000	$ 100,000
MREC Shenandoah VA, LLC \| Lake Frederick Holdings, LLC
Related Party Transaction [Line Items]
Ownership percentage	92.00%
Bowman Realty 2013 \| Bowman Lansdowne
Related Party Transaction [Line Items]
Ownership percentage	8.00%
Mr. Bowman
Related Party Transaction [Line Items]
Related Party transaction, cost of service	$ 600,000
Mr. Bowman \| Lake Frederick Holdings, LLC
Related Party Transaction [Line Items]
Ownership percentage	100.00%