Mezzanine Deficit and Stockholders' Equity - Additional Information (Details) - USD ($)		1 Months Ended		12 Months Ended
	Nov. 14, 2023	Mar. 31, 2016	Oct. 31, 2015	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)				5,000,000	5,000,000
Holdback shares not issued to former shareholders (in shares)				41,048
Payments of ordinary dividends common stock				$ 4,036,000	$ 62,074,000	$ 14,030,000
Treasury stock, common, shares (in shares)				10,603,849	10,584,340
Purchase of treasury shares (in shares)				19,509	3,451,642
Repurchase of common stock	$ 100,000,000			$ 900,000
APC
Class of Stock [Line Items]
Payments of ordinary dividends common stock				$ 0	$ 210,900,000	37,900,000
Treasury stock, common, shares (in shares)				7,132,698	7,132,698
APC | AP-AMH | Affiliated Entity
Class of Stock [Line Items]
Distributions of preferred returns				$ 62,000,000	$ 58,000,000	58,300,000
APC | ApolloMed
Class of Stock [Line Items]
% of Ownership				12.96%	13.22%
CDSC
Class of Stock [Line Items]
Payments of ordinary dividends common stock				$ 4,000,000	$ 3,900,000	$ 4,100,000
Company and APC
Class of Stock [Line Items]
Treasury stock, common, shares (in shares)				10,603,849	10,584,340
Astrana
Class of Stock [Line Items]
Treasury stock, common, shares (in shares)					3,166,561
Series B Preferred Stock
Class of Stock [Line Items]
Number of shares purchased by related party (in shares)		555,555
Class of warrant, number of securities called by each warrant (in shares)		1
Exercise Price Per Share (in dollars per share)		$ 10
Preferred stock, shares authorized (in shares)				0	555,555
Private Placement
Class of Stock [Line Items]
Number of shares purchased by related party (in shares)			1,111,111
Class of warrant, number of securities called by each warrant (in shares)			1
Exercise Price Per Share (in dollars per share)			$ 9