Document and Entity Information - USD ($)	3 Months Ended
	Mar. 31, 2019	May 15, 2019
Document And Entity Information
Entity Registrant Name	AMERICAN CHURCH MORTGAGE CO
Entity Central Index Key	0000934543
Document Type	10-Q
Document Period End Date	Mar. 31, 2019
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Is Entity's Reporting Status Current?	Yes
Is Entity Emerging Growth Company?	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Public Float		$ 1,677,798
Entity Common Stock, Shares Outstanding		1,677,798
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2019