Reverse Merger Capitalization with 7GC & Co. Holdings Inc. - Additional Information (Details)	Dec. 14, 2023 USD ($) $ / shares shares	Mar. 31, 2024 $ / shares shares	Dec. 31, 2023 $ / shares shares	Dec. 13, 2023 $ / shares	Dec. 31, 2022 $ / shares
Business Acquisition [Line Items]
Preferred stock, par value | $ / shares	$ 0.0001	$ 0.0001	$ 0.0001
Common stock par value | $ / shares		$ 0.0001	$ 0.0001		$ 0.0001
Common stock, shares authorized	350,000,000	275,000,000	275,000,000
Preferred stock, shares authorized	75,000,000	75,000,000	75,000,000
Common stock, shares outstanding		20,221,589	16,019,256
Preferred stock, shares outstanding		0	0
Common Class A [Member]
Business Acquisition [Line Items]
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares outstanding		17,910,455	13,708,122
Common Class A [Member] | Yorkville Standby Equity Purchase Agreement [Member]
Business Acquisition [Line Items]
Common stock par value | $ / shares	$ 0.0001
Common Class B [Member]
Business Acquisition [Line Items]
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares outstanding		2,311,134	2,311,134
Common Class B [Member] | Yorkville Standby Equity Purchase Agreement [Member]
Business Acquisition [Line Items]
Common stock par value | $ / shares	$ 0.0001
Common Stock [Member]
Business Acquisition [Line Items]
Common stock, shares outstanding		20,221,589	16,019,256
7GC Class A Common Stock [Member]
Business Acquisition [Line Items]
Common stock par value | $ / shares	$ 0.0001
Number of shares held by security holders	3,207,428
Redemption price per share | $ / shares	$ 10.76
Aggregate redemption amount | $	$ 34,524,065
Banzai International Inc [Member]
Business Acquisition [Line Items]
Exchange ratio	0.6147
Aggregate consideration payable to security holders | $	$ 100,000,000
Banzai International Inc [Member] | Common Class A [Member]
Business Acquisition [Line Items]
Common stock par value | $ / shares				$ 0.0001
Banzai International Inc [Member] | Common Class B [Member]
Business Acquisition [Line Items]
Common stock, convertible, conversion ratio	1
Banzai International Inc [Member] | Legacy Banzai Preferred Stock [Member]
Business Acquisition [Line Items]
Preferred stock, convertible, conversion ratio				1
Banzai International Inc [Member] | Common Stock [Member]
Business Acquisition [Line Items]
Common stock par value | $ / shares	$ 0.0001