CONSOLIDATED STATEMENTS OF EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total		Common Stock	Capital in Excess of Par Value	Treasury Stock	Cumulative Net Income	Cumulative Dividends	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Balances at beginning of period at Dec. 31, 2021	$ 18,596,579		$ 448,605	$ 23,133,641	$ (107,750)	$ 8,663,736	$ (14,380,915)	$ (121,316)	$ 960,578
Comprehensive income:
Net income (loss)	64,677					61,925			2,752
Other comprehensive income (loss)	(15,691)							(17,156)	1,465
Total comprehensive income	48,986
Net change in noncontrolling interests	(191,331)			(63,026)					(128,305)
Amounts related to stock incentive plans, net of forfeitures	2,677		166	7,279	(4,768)
Net proceeds from issuance of common stock	548,823		6,605	542,218
Dividends paid:
Common stock dividends	(273,668)						(273,668)
Balances at end of period at Mar. 31, 2022	18,732,066		455,376	23,620,112	(112,518)	8,725,661	(14,654,583)	(138,472)	836,490
Comprehensive income:
Net income (loss)	94,194					89,785			4,409
Other comprehensive income (loss)	(21,840)							(6,724)	(15,116)
Total comprehensive income	72,354
Net change in noncontrolling interests	112,033			(6,760)					118,793
Adjustment to members' interest from change in ownership in Welltower OP	0			46,861					(46,861)
Amounts related to stock incentive plans, net of forfeitures	7,398		20	6,551	827
Net proceeds from issuance of common stock	807,659		9,382	798,277
Dividends paid:
Common stock dividends	(277,615)						(277,615)
Balances at end of period at Jun. 30, 2022	19,453,895		464,778	24,465,041	(111,691)	8,815,446	(14,932,198)	(145,196)	897,715
Comprehensive income:
Net income (loss)	(3,892)					(6,768)			2,876
Other comprehensive income (loss)	46,900							69,929	(23,029)
Total comprehensive income	43,008
Net change in noncontrolling interests	10,401			(2,400)					12,801
Adjustment to members' interest from change in ownership in Welltower OP	0			2,779					(2,779)
Redemption of OP Units and DownREIT Units	0		5	201					(206)
Amounts related to stock incentive plans, net of forfeitures	6,073		3	6,151	(81)
Net proceeds from issuance of common stock	826,804		9,144	817,660
Dividends paid:
Common stock dividends	(283,496)						(283,496)
Balances at end of period at Sep. 30, 2022	20,056,685		473,930	25,289,432	(111,772)	8,808,678	(15,215,694)	(75,267)	887,378
Balances at beginning of period at Dec. 31, 2022	21,009,553	[1]	491,919	26,742,750	(111,001)	8,804,950	(15,514,097)	(119,707)	714,739
Comprehensive income:
Net income (loss)	28,361					25,673			2,688
Other comprehensive income (loss)	11,171							8,148	3,023
Total comprehensive income	39,532
Net change in noncontrolling interests	21,344			(8,304)					29,648
Adjustment to members' interest from change in ownership in Welltower OP	0			(6,139)					6,139
Redemption of OP Units and DownREIT Units	17,355		272	17,515					(432)
Amounts related to stock incentive plans, net of forfeitures	7,540		134	9,330	(1,924)
Net proceeds from issuance of common stock	410,465		5,603	404,862
Dividends paid:
Common stock dividends	(301,829)						(301,829)
Balances at end of period at Mar. 31, 2023	21,203,960		497,928	27,160,014	(112,925)	8,830,623	(15,815,926)	(111,559)	755,805
Comprehensive income:
Net income (loss)	106,545					103,040			3,505
Other comprehensive income (loss)	33,061							28,651	4,410
Total comprehensive income	139,606
Net change in noncontrolling interests	(153,120)			8,579				(12,686)	(149,013)
Adjustment to members' interest from change in ownership in Welltower OP	0			(4,794)					4,794
Redemption of OP Units and DownREIT Units	0		1	18					(19)
Amounts related to stock incentive plans, net of forfeitures	12,024		43	11,088	893
Net proceeds from issuance of common stock	922,225		11,833	910,392
Dividends paid:
Common stock dividends	(300,772)						(300,772)
Balances at end of period at Jun. 30, 2023	21,823,923		509,805	28,085,297	(112,032)	8,933,663	(16,116,698)	(95,594)	619,482
Comprehensive income:
Net income (loss)	134,056					127,470			6,586
Other comprehensive income (loss)	(58,098)							(53,768)	(4,330)
Total comprehensive income	75,958
Net change in noncontrolling interests	53,995			56,824					(2,829)
Adjustment to members' interest from change in ownership in Welltower OP	0			(3,431)					3,431
Redemption of OP Units and DownREIT Units	0		62	2,488					(2,550)
Amounts related to stock incentive plans, net of forfeitures	8,537		8	8,810	(281)
Net proceeds from issuance of common stock	1,930,131		24,043	1,906,088
Dividends paid:
Common stock dividends	(318,718)						(318,718)
Balances at end of period at Sep. 30, 2023	$ 23,573,826		$ 533,918	$ 30,056,076	$ (112,313)	$ 9,061,133	$ (16,435,416)	$ (149,362)	$ 619,790

[1] The consolidated balance sheet at December 31, 2022 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by U.S. generally accepted accounting principles for complete financial statements.