N-2	6 Months Ended
	Mar. 31, 2024
Cover [Abstract]
Entity Central Index Key	0000928465
Amendment Flag	false
Securities Act File Number	1-15589
Document Type	10-Q
Entity Registrant Name	AMCON DISTRIBUTING CO
Entity Address, Address Line One	7405 Irvington Road
Entity Address, City or Town	Omaha
Entity Address, State or Province	NE
Entity Address, Postal Zip Code	68122
City Area Code	402
Local Phone Number	331-3727
Entity Emerging Growth Company	false