Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2019	Feb. 19, 2020	Jun. 28, 2019
Document And Entity Information [Line Items]
Document Type	10-K
Document Period End Date	Dec. 31, 2019
Document Fiscal Year Focus	2019
Entity Registrant Name	OMEGA HEALTHCARE INVESTORS, INC.
Entity Central Index Key	0000888491
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-31
Document Annual Report	true
Document Transition Report	false
Entity Incorporation, State or Country Code	MD
Entity File Number	1-11316
Entity Tax Identification Number	38-3041398
Entity Well-known Seasoned Issuer	Yes
Entity Common Stock Shares Outstanding		226,809,863
Entity Public Float			$ 7,941,285,634
Amendment Flag	false
Document Fiscal Period Focus	FY
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Address, Address Line One	303 International Circle, Suite 200
Entity Address, City or Town	Hunt Valley
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	21030
City Area Code	410
Local Phone Number	427-1700
Title of 12(b) Security	Common Stock
Trading Symbol	OHI
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Omega OP
Document And Entity Information [Line Items]
Document Type	10-K
Document Period End Date	Dec. 31, 2019
Document Fiscal Year Focus	2019
Entity Registrant Name	OHI HEALTHCARE PROPERTIES LIMITED PARTNERSHIP
Entity Central Index Key	0001639315
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-31
Document Annual Report	true
Document Transition Report	false
Entity Incorporation, State or Country Code	DE
Entity File Number	333-203447-11
Entity Tax Identification Number	36-4796206
Entity Well-known Seasoned Issuer	No
Amendment Flag	false
Document Fiscal Period Focus	FY
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Address, Address Line One	303 International Circle, Suite 200
Entity Address, City or Town	Hunt Valley
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	21030
City Area Code	410
Local Phone Number	427-1700
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer