Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023
Income Taxes [Line Items]
Effective income tax rate reconciliation, percent	(6.85%)	(6.85%)
Effective income tax rate reconciliation, at federal statutory income tax rate, percent	21.00%	21.00%	21.00%
Incremental share-based compensation upon modification	$ 125,741
Payments for merger related costs		$ 55,176
Deferred tax asset net	5,272	5,272	$ 0
Unrecognized tax benefits	$ 0	0	$ 0
Adjustment of Deferred Tax Asset Liability Through Additional Paid in Capital		5,973
Partnership income of non controlling interest before corporate reorganization		$ 39,115
Guardian Pharmacy, LLC [Member]
Income Taxes [Line Items]
Subsidiary, ownership percentage, parent	100.00%	100.00%