XML 61 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Cover Page - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Jan. 31, 2020
Jun. 30, 2019
Entity Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2019    
Document Transition Report false    
Entity File Number 1-8923    
Entity Registrant Name WELLTOWER INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 34-1096634    
Entity Address, Address Line One 4500 Dorr Street,    
Entity Address, City or Town Toledo,    
Entity Address, State or Province OH    
Entity Address, Postal Zip Code 43615    
City Area Code 419    
Local Phone Number 247-2800    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 32,986,689
Entity Common Stock, Shares Outstanding   410,331,441  
Documents Incorporated by Reference
Portions of the registrant’s definitive proxy statement for the annual stockholders’ meeting to be held April 30, 2020, are incorporated by reference into Part III.
    
Entity Central Index Key 0000766704    
Amendment Flag false    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Current Fiscal Year End Date --12-31    
Common Stock, $1.00 par value      
Entity Information [Line Items]      
Title of 12(b) Security Common Stock, $1.00 par value    
Trading Symbol WELL    
Security Exchange Name NYSE    
4.800% Notes due 2028      
Entity Information [Line Items]      
Title of 12(b) Security 4.800% Notes due 2028    
Trading Symbol WELL28    
Security Exchange Name NYSE    
4.500% Notes due 2034      
Entity Information [Line Items]      
Title of 12(b) Security 4.500% Notes due 2034    
Trading Symbol WELL34    
Security Exchange Name NYSE