INVESTMENT IN UNCONSOLIDATED ENTITIES - Schedule of Investments in Unconsolidated Subsidiaries (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Equity method investments
Carrying Amount as of December 31,	$ 626,122	$ 598,206
Ownership interest, percentage (less than)	100.00%
Unconsolidated Properties \| Ventas Life Science & Healthcare Real Estate Fund
Equity method investments
Ownership interests	20.00%	20.10%
Carrying Amount as of December 31,	$ 267,202	$ 264,442
Unconsolidated Properties \| Pension Fund Joint Venture
Equity method investments
Ownership interests	25.00%	25.00%
Carrying Amount as of December 31,	$ 11,939	$ 22,169
Unconsolidated Properties \| Research & Innovation Development Joint Venture
Equity method investments
Ownership interests	53.00%	53.00%
Carrying Amount as of December 31,	$ 309,499	$ 275,829
Unconsolidated Properties \| Ventas Investment Management platform
Equity method investments
Carrying Amount as of December 31,	$ 588,640	$ 562,440
Unconsolidated Properties \| Atrium Health & Wake Forest Joint Venture
Equity method investments
Ownership interests	48.50%	48.50%
Carrying Amount as of December 31,	$ 36,881	$ 35,137
Unconsolidated Properties \| All other
Equity method investments
Carrying Amount as of December 31,	$ 601	$ 629
Unconsolidated Properties \| All other \| Minimum
Equity method investments
Ownership interests	34.00%	34.00%
Unconsolidated Properties \| All other \| Maximum
Equity method investments
Ownership interests	37.50%	37.50%

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Topic 323
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-Name Accounting Standards Codification
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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