Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Operating Loss Carryforwards [Line Items]
NOL carryforwards indefinite life	$ 374,188,000	$ 374,188,000
Unrecognized tax benefits	0	0
Domestic Tax Jurisdiction
Operating Loss Carryforwards [Line Items]
NOL carryforwards	565,838,000	504,097,000
Domestic Tax Jurisdiction | Alignment Health Plan Inc
Operating Loss Carryforwards [Line Items]
NOL carryforwards	19,031,000
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
NOL carryforwards	543,513,000	$ 498,933,000
Annual carryforward limit	870,000
State and Local Jurisdiction | Alignment Health Plan Inc
Operating Loss Carryforwards [Line Items]
NOL carryforwards	$ 13,221,000