Earnings Per Share - Narrative (Details)	3 Months Ended			6 Months Ended
	Jun. 30, 2023 $ / shares shares	Dec. 31, 2022 USD ($) day $ / shares shares	Jun. 30, 2022 shares	Jun. 30, 2023 $ / shares shares	Jun. 30, 2022 shares	Oct. 01, 2021 USD ($)	Jul. 26, 2020 $ / shares shares
Class of Stock [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.01	$ 0.01		$ 0.01
Debt instrument, settlement, prepaid stock, minimum settlement rate (in shares)		12.9341
Debt instrument, settlement, prepaid stock, maximum settlement rate (in shares)		15.1976
Debt instrument, settlement, threshold consecutive trading days | day		20
Weighted average shares outstanding - basic (in shares)	225,404,000		186,761,000	224,994,000	186,341,000
Ventas, Inc | The Warrant
Class of Stock [Line Items]
Number of shares authorized to be purchased (in shares)							16,300,000
Common stock, par value (in dollars per share) | $ / shares							$ 0.01
Share price (in dollars per share) | $ / shares							$ 3.00
Convertible senior notes
Class of Stock [Line Items]
Number of shares issuable upon conversion (in shares)				38,300,000
Incremental shares issuable under purchase contracts
Class of Stock [Line Items]
Number of shares issuable upon conversion (in shares)				43,700,000
Weighted average shares outstanding - basic (in shares)	37,200,000			37,200,000
Convertible senior notes | Convertible Debt
Class of Stock [Line Items]
Debt face amount | $						$ 230,000,000
Interest rate, stated percentage						2.00%
Tangible Equity Units Senior Amortizing Notes | Other notes payable
Class of Stock [Line Items]
Interest rate, stated percentage		7.00%
Number of shares issued (in shares)		2,875,000
Stated amount, per unit (in dollars per share) | $ / shares		$ 50.00
Aggregate offering | $		$ 143,800,000
Prepaid stock purchase contracts (in dollars per share) | $ / shares		$ 8.8996