Description of Organization and Summary of Significant Accounting Policies -Organization (Details)			3 Months Ended
	Feb. 14, 2025 USD ($)	Feb. 13, 2025 USD ($)	Mar. 31, 2025 USD ($) D $ / shares shares	Dec. 31, 2024 $ / shares
Description of Organization and Summary of Significant Accounting Policies
Common Stock, par value (in dollars per share) \| $ / shares			$ 0.001	$ 0.001
Net intangible assets \| $			$ 5,000,001
Deductible transaction costs \| $		$ 3,500,000
Lock Up Shares 33.0 Percent
Description of Organization and Summary of Significant Accounting Policies
Percentage of lock up shares			33.00%
Class A Common Stock
Description of Organization and Summary of Significant Accounting Policies
Common Stock, par value (in dollars per share) \| $ / shares			$ 0.001
Southport, Sigma Merger Sub, Inc.
Description of Organization and Summary of Significant Accounting Policies
Common Stock, par value (in dollars per share) \| $ / shares			$ 0.0001
Business Combination, Consideration, Threshold Amount \| $			$ 1,500,000,000
Aggregate gross proceeds of any capital, by company divided \| $ / shares			$ 10
Restriction period			1 year
Merger agreement to increase the amount of expenses \| $	$ 11,415,000	$ 11,000,000
Deductible transaction costs \| $	3,863,342
Southport, Sigma Merger Sub, Inc. \| Lock Up Shares 33.0 Percent
Description of Organization and Summary of Significant Accounting Policies
Last reported sale price common stock \| $ / shares			$ 12.5
Trading days \| D			20
Consecutive trading days \| D			30
After closing period for non commencement of consecutive trading days \| D			30
Southport, Sigma Merger Sub, Inc. \| Lock Up Shares 50.0 Percent
Description of Organization and Summary of Significant Accounting Policies
Percentage of lock up shares			50.00%
Last reported sale price common stock \| $ / shares			$ 15
Trading days \| D			20
Consecutive trading days \| D			30
Southport, Sigma Merger Sub, Inc. \| Minimum
Description of Organization and Summary of Significant Accounting Policies
Net intangible assets \| $	$ 5,000,001
Southport, Sigma Merger Sub, Inc. \| Class A Common Stock
Description of Organization and Summary of Significant Accounting Policies
Warrant conversion \| shares			0.1

Angel Studios, Inc. 10-Q