Consolidated Balance Sheets - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Real property owned:
Land and land improvements	$ 3,205,091,000	$ 2,734,467,000
Buildings and improvements	28,019,502,000	25,373,117,000
Acquired lease intangibles	1,581,159,000	1,502,471,000
Real property held for sale, net of accumulated depreciation	590,271,000	734,147,000
Construction in progress	194,365,000	237,746,000
Gross real property owned	33,590,388,000	30,581,948,000
Less accumulated depreciation and amortization	(5,499,958,000)	(4,838,370,000)
Net real property owned	28,090,430,000	25,743,578,000
Real estate loans receivable:
Real estate loans receivable	398,711,000	495,871,000
Less allowance for losses on loans receivable	(68,372,000)	(68,372,000)
Net real estate loans receivable	330,339,000	427,499,000
Net real estate investments	28,420,769,000	26,171,077,000
Other assets:
Investments in unconsolidated entities	482,914,000	445,585,000
Goodwill	68,321,000	68,321,000
Cash and cash equivalents	215,376,000	243,777,000
Restricted cash	100,753,000	65,526,000
Straight-line receivable	367,093,000	389,168,000
Receivables and other assets	686,846,000	560,991,000
Total other assets	1,921,303,000	1,773,368,000
Total assets	30,342,072,000	27,944,445,000
Liabilities:
Borrowings under unsecured lines of credit arrangements	1,147,000,000	719,000,000
Senior unsecured notes	9,603,299,000	8,331,722,000
Secured debt	2,476,177,000	2,608,976,000
Capital lease obligations	70,668,000	72,238,000
Accrued expenses and other liabilities	1,034,283,000	911,863,000
Total liabilities	14,331,427,000	12,643,799,000
Redeemable noncontrolling interests	424,046,000	375,194,000
Equity:
Preferred stock	718,498,000	718,503,000
Stock common	384,465,000	372,449,000
Capital in excess of par value	18,424,368,000	17,662,681,000
Treasury stock	(68,499,000)	(64,559,000)
Cumulative net income	6,121,534,000	5,316,580,000
Cumulative dividends	(10,818,557,000)	(9,471,712,000)
Accumulated other comprehensive income (loss)	(129,769,000)	(111,465,000)
Other equity	294,000	670,000
Total Welltower Inc. stockholders’ equity	14,632,334,000	14,423,147,000
Noncontrolling interests	954,265,000	502,305,000
Total equity	15,586,599,000	14,925,452,000
Total liabilities and equity	$ 30,342,072,000	$ 27,944,445,000