CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Rental income	$ 359,611	$ 369,165	$ 716,951	$ 772,422
Income from loans and investments	17,665	19,491	36,675	43,537
Interest and other income	585	1,540	926	6,393
Total revenues	919,194	943,198	1,829,485	1,955,252
Interest	110,051	123,132	220,818	239,828
Depreciation and amortization	250,700	349,594	564,848	598,431
Property-level operating expenses	494,195	498,605	980,795	979,573
Office building services costs	658	543	1,276	1,270
General, administrative and professional fees	30,588	28,080	70,897	68,540
(Gain) loss on extinguishment of debt, net	(74)	0	27,016	0
Merger-related expenses and deal costs	721	6,586	5,338	14,804
Allowance on loans receivable and investments	(59)	29,655	(8,961)	29,655
Other	(13,490)	5,286	(22,918)	11,069
Total expenses	873,290	1,041,481	1,839,109	1,943,170
Income (loss) before unconsolidated entities, real estate dispositions, income taxes and noncontrolling interests	45,904	(98,283)	(9,624)	12,082
Income (loss) from unconsolidated entities	4,767	(5,850)	4,517	(16,726)
Gain on real estate dispositions	41,258	1,254	43,791	227,479
Income tax (expense) benefit	(3,641)	(56,356)	(5,794)	92,660
Income (loss) from continuing operations	88,288	(159,235)	32,890	315,495
Net income (loss)	88,288	(159,235)	32,890	315,495
Net income (loss) attributable to noncontrolling interests	1,897	(2,065)	3,708	(452)
Net income (loss) attributable to common stockholders	$ 86,391	$ (157,170)	$ 29,182	$ 315,947
Basic:
Income from continuing operations (in usd per share)	$ 0.24	$ (0.43)	$ 0.09	$ 0.85
Net income attributable to common stockholders (in usd per share)	0.23	(0.42)	0.08	0.85
Diluted:
Income from continuing operations (in usd per share)	0.23	(0.43)	0.09	0.84
Net income attributable to common stockholders (in usd per share)	$ 0.23	$ (0.42)	$ 0.08	$ 0.84
Triple-Net Leased Properties
Rental income	$ 159,223	$ 176,240	$ 319,108	$ 371,102
Property-level operating expenses	4,432	5,275		11,606
Office Operations
Rental income	200,388	192,925	397,843	401,320
Property-level operating expenses	64,950	60,752		125,258
Resident fees and services
Other revenues	535,952	549,329	1,064,602	1,126,099
Office building and other services revenue
Other revenues	5,381	3,673	$ 10,331	6,801
Senior Living Operations
Property-level operating expenses	$ 424,813	$ 432,578		$ 842,709