CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Rental income	$ 408,322	$ 384,028	$ 1,208,388	$ 1,129,099
Income from loans and investments	30,164	18,108	66,819	105,706
Interest and other income	620	12,554	10,109	24,535
Total revenues	983,155	936,538	2,876,746	2,822,547
Interest	113,967	107,581	334,955	331,973
Depreciation and amortization	234,603	218,579	696,710	675,363
Property-level operating expenses	461,493	428,389	1,327,898	1,262,715
Office building services costs	627	431	1,775	1,080
General, administrative and professional fees	40,530	39,677	124,369	113,507
Loss on extinguishment of debt, net	37,434	39,527	41,861	50,411
Merger-related expenses and deal costs	4,304	4,458	11,084	26,288
Other	2,164	1,244	(9,294)	7,891
Total expenses	895,122	839,886	2,529,358	2,469,228
Income before unconsolidated entities, real estate dispositions, income taxes, discontinued operations and noncontrolling interests	88,033	96,652	347,388	353,319
Income (loss) from unconsolidated entities	854	(716)	(2,621)	(47,826)
Gain on real estate dispositions	36	18	24,633	35,893
Income tax (expense) benefit	(2,005)	7,327	57,004	11,303
Income from continuing operations	86,918	103,281	426,404	352,689
Discontinued operations	0	0	0	(10)
Net income	86,918	103,281	426,404	352,679
Net income attributable to noncontrolling interests	1,659	1,309	4,831	5,485
Net income attributable to common stockholders	$ 85,259	$ 101,972	$ 421,573	$ 347,194
Income from continuing operations (in usd per share)	$ 0.23	$ 0.29	$ 1.17	$ 0.99
Net income attributable to common stockholders (in usd per share)	0.23	0.29	1.16	0.97
Income from continuing operations (in usd per share)	0.23	0.29	1.16	0.98
Net income attributable to common stockholders (in usd per share)	$ 0.23	$ 0.28	$ 1.15	$ 0.97
Triple-Net Leased Properties
Rental income	$ 193,383	$ 190,117	$ 589,833	$ 548,628
Property-level operating expenses	6,338	0	20,092	0
Office Operations
Rental income	214,939	193,911	618,555	580,471
Property-level operating expenses	67,144	61,668	191,972	182,662
Resident Fees and Services
Other revenues	541,090	518,560	1,583,262	1,552,302
Office Building and Other Services Revenue
Other revenues	2,959	3,288	8,168	10,905
Senior Living Operations
Property-level operating expenses	$ 388,011	$ 366,721	$ 1,115,834	$ 1,080,053