CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common Stock Par Value	Capital in Excess of Par Value	Accumulated Other Comprehensive (Loss) Income	Retained Earnings (Deficit)	Treasury Stock	Total Ventas Stockholders’ Equity	Noncontrolling Interests
Beginning Balance at Dec. 31, 2021	$ 10,945,760	$ 99,838	$ 15,498,956	$ (64,520)	$ (4,679,889)	$ 0	$ 10,854,385	$ 91,375
Increase (decrease) in stockholders' equity
Net income (loss) attributable to common stockholders	(3,684)	0	0	0	(3,684)	0	(3,684)
Net income (loss) attributable to noncontrolling interest	3,074
Net income	(610)
Other comprehensive income	10,282	0	0	8,165	0	0	8,165	2,117
Net change in noncontrolling interests	(12,289)	0	(6,521)	0	0	0	(6,521)	(5,768)
Dividends to common stockholders	(360,996)	0	0	0	(360,996)	0	(360,996)	0
Issuance of common stock for stock plans, restricted stock grants and other	24,839	75	25,172	0	0	(408)	24,839	0
Adjust redeemable OP unitholder interests to current fair value	(3,592)	0	(3,592)	0	0	0	(3,592)	0
Ending Balance at Jun. 30, 2022	10,603,394	99,913	15,514,015	(56,355)	(5,044,569)	(408)	10,512,596	90,798
Beginning Balance at Mar. 31, 2022	10,792,690	99,888	15,478,467	(59,296)	(4,821,653)	0	10,697,406	95,284
Increase (decrease) in stockholders' equity
Net income (loss) attributable to common stockholders	(42,416)	0	0	0	(42,416)	0	(42,416)
Net income (loss) attributable to noncontrolling interest	1,214							1,214
Net income	(41,202)
Other comprehensive income	1,147	0	0	2,941	0	0	2,941	(1,794)
Net change in noncontrolling interests	(11,285)	0	(7,379)	0	0	0	(7,379)	(3,906)
Dividends to common stockholders	(180,500)	0	0	0	(180,500)	0	(180,500)	0
Issuance of common stock for stock plans, restricted stock grants and other	9,499	25	9,882	0	0	(408)	9,499	0
Adjust redeemable OP unitholder interests to current fair value	33,045	0	33,045	0	0	0	33,045	0
Ending Balance at Jun. 30, 2022	10,603,394	99,913	15,514,015	(56,355)	(5,044,569)	(408)	10,512,596	90,798
Beginning Balance at Dec. 31, 2022	10,221,677	99,912	15,539,777	(36,800)	(5,449,385)	(536)	10,152,968	68,709
Increase (decrease) in stockholders' equity
Net income (loss) attributable to common stockholders	120,970	0	0	0	120,970	0	120,970
Net income (loss) attributable to noncontrolling interest	3,008
Net income	123,978
Other comprehensive income	24,979	0	0	22,248	0	0	22,248	2,731
Net change in noncontrolling interests	(9,530)	0	4,856	0	0	0	4,856	(14,386)
Dividends to common stockholders	(360,074)	0	10	0	(360,084)	0	(360,074)	0
Issuance of common stock for stock plans, restricted stock grants and other	35,416	294	48,217	0	0	(13,095)	35,416	0
Adjust redeemable OP unitholder interests to current fair value	(7,933)	0	(7,933)	0	0	0	(7,933)	0
Adjustments to Equity, Redemption of Limited Partnership Units	(69)	0	(69)	0	0	0	(69)	0
Ending Balance at Jun. 30, 2023	10,028,444	100,206	15,584,858	(14,552)	(5,688,499)	(13,631)	9,968,382	60,062
Beginning Balance at Mar. 31, 2023	10,064,602	100,065	15,562,017	(40,469)	(5,611,067)	(13,555)	9,996,991	67,611
Increase (decrease) in stockholders' equity
Net income (loss) attributable to common stockholders	103,453	0	0	0	103,453	0	103,453
Net income (loss) attributable to noncontrolling interest	1,613							1,613
Net income	105,066
Other comprehensive income	29,882	0	0	25,917	0	0	25,917	3,965
Net change in noncontrolling interests	(9,664)	0	3,463	0	0	0	3,463	(13,127)
Dividends to common stockholders	(180,875)	0	10	0	(180,885)	0	(180,875)	0
Issuance of common stock for stock plans, restricted stock grants and other	30,443	141	30,378	0	0	(76)	30,443	0
Adjust redeemable OP unitholder interests to current fair value	(11,010)	0	(11,010)	0	0	0	(11,010)	0
Ending Balance at Jun. 30, 2023	$ 10,028,444	$ 100,206	$ 15,584,858	$ (14,552)	$ (5,688,499)	$ (13,631)	$ 9,968,382	$ 60,062