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Earnings Per Share - Narrative (Details) | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2023 $ / shares shares | Dec. 31, 2022 USD ($) day $ / shares shares | Mar. 31, 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 |  |  |
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) | 224,578,000 |  | 185,916,000 |  |
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 |  |  |  |
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 |  |  |
Proceeds from debt, net of issuance costs | $ |  | $ 139,400,000 |  |  |
Prepaid stock purchase contracts (in dollars per share) | $ / shares |  | $ 8.8996 |  |  |

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