CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Rental income	$ 383,052	$ 354,512	$ 1,100,003	$ 1,126,934
Income from loans and investments	28,729	18,666	65,404	62,203
Interest and other income	417	572	1,343	6,965
Total revenues	976,078	918,940	2,805,563	2,874,192
Interest	108,816	115,505	329,634	355,333
Depreciation and amortization	313,596	249,366	878,444	847,797
Property-level operating expenses	523,328	494,985	1,504,123	1,474,558
Office building services costs	522	557	1,798	1,827
General, administrative and professional fees	30,259	32,081	101,156	100,621
Loss on extinguishment of debt, net	29,792	7,386	56,808	7,386
Merger-related expenses and deal costs	22,662	11,325	28,000	26,129
Allowance on loans receivable and investments	(60)	4,999	(9,021)	34,654
Other	33,673	5,681	10,755	16,750
Total expenses	1,062,588	921,885	2,901,697	2,865,055
(Loss) income before unconsolidated entities, real estate dispositions, income taxes and noncontrolling interests	(86,510)	(2,945)	(96,134)	9,137
Income (loss) from unconsolidated entities	2,772	865	7,289	(15,861)
Gain on real estate dispositions	150,292	12,622	194,083	240,101
Income tax (expense) benefit	(3,780)	3,195	(9,574)	95,855
Income from continuing operations	62,774	13,737	95,664	329,232
Net income	62,774	13,737	95,664	329,232
Net income attributable to noncontrolling interests	2,094	986	5,802	534
Net income attributable to common stockholders	$ 60,680	$ 12,751	$ 89,862	$ 328,698
Basic:
Income from continuing operations (in usd per share)	$ 0.16	$ 0.04	$ 0.25	$ 0.88
Net income attributable to common stockholders (in usd per share)	0.16	0.03	0.24	0.88
Diluted:
Income from continuing operations (in usd per share)	0.16	0.04	0.25	0.88
Net income attributable to common stockholders (in usd per share)	$ 0.16	$ 0.03	$ 0.24	$ 0.87
Triple-Net Leased Properties
Rental income	$ 181,379	$ 156,136	$ 500,487	$ 527,238
Property-level operating expenses	3,268	5,398		17,004
Office Operations
Rental income	201,673	198,376	599,516	599,696
Property-level operating expenses	66,401	66,934		192,192
Resident fees and services
Other revenues	558,039	541,322	1,622,641	1,667,421
Office building and other services revenue
Other revenues	5,841	3,868	$ 16,172	10,669
Senior Living Operations
Property-level operating expenses	$ 453,659	$ 422,653		$ 1,265,362