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Related Party Transactions - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023	Aug. 31, 2022
Related Party Transaction [Line Items]
Accounts receivable	$ 99,368,000		$ 99,368,000		$ 87,565,000
Related Party
Related Party Transaction [Line Items]
Related party transactions due	35,000		35,000		48,000
Related Party \| 2015 Acquisition
Related Party Transaction [Line Items]
Related party transactions owed	42,000		42,000		100,000
BCG Chantilly, LLC \| Related Party
Related Party Transaction [Line Items]
Related party transactions owed	0		0		0
Rent expense	7,000	$ 21,000	27,000	$ 41,000
Bowman Lansdowne Development L L C \| President, Chairman and Chief Executive Officer
Related Party Transaction [Line Items]
Notes receivable	500,000		500,000		500,000
Lansdowne Development Group, LLC \| Related Party
Related Party Transaction [Line Items]
Notes receivable	400,000		400,000		400,000
Accounts receivable	100,000		100,000		100,000
Bowman Realty Investments2010 L L C \| President, Chairman and Chief Executive Officer
Related Party Transaction [Line Items]
Notes receivable	200,000		200,000		200,000
Alwington Farm Developers, LLC \| Related Party
Related Party Transaction [Line Items]
Notes receivable	1,200,000		1,200,000		$ 1,200,000
MREC Shenandoah VA, LLC \| President, Chairman and Chief Executive Officer
Related Party Transaction [Line Items]
Invoices			100,000	100,000
Received payments			100,000	100,000
Administrative, Accounting and Project Management Services
Related Party Transaction [Line Items]
Related party transactions due	33,000	30,000	33,000	30,000
Administrative, Accounting and Project Management Services \| Related Party
Related Party Transaction [Line Items]
General and administrative expense			27,000	29,000
Reimbursement Obligations \| President, Chairman and Chief Executive Officer
Related Party Transaction [Line Items]
Related party transactions owed	$ 300,000	100,000	$ 300,000	100,000
Mr. Bowman, Mr. Bruen and Mr. Hickey \| BCG Chantilly, LLC \| Related Party
Related Party Transaction [Line Items]
Ownership percentage	63.60%		63.60%
Lake Frederick Holdings, LLC \| MREC Shenandoah VA, LLC
Related Party Transaction [Line Items]
Ownership percentage	92.00%		92.00%
Bowman Lansdowne Development, LLC and Bowman Realty Investments 2013 LLC \| MREC Shenandoah VA, LLC
Related Party Transaction [Line Items]
Ownership percentage	8.00%		8.00%
Mr. Bowman \| MREC Shenandoah VA, LLC
Related Party Transaction [Line Items]
Ownership percentage	100.00%		100.00%
Gregory Bowman \| Related Party
Related Party Transaction [Line Items]
Related party transactions due	$ 74,000	$ 71,000	$ 74,000	$ 71,000
Sunrise Asset Management
Related Party Transaction [Line Items]
Ownership percentage						100.00%