CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Rental income	$ 398,570	$ 360,262	$ 800,066	$ 745,071
Income from loans and investments	19,529	56,417	36,655	87,598
Interest and other income	9,202	2,347	9,489	11,981
Total revenues	950,717	942,304	1,893,591	1,886,009
Interest	110,369	113,029	220,988	224,392
Depreciation and amortization	226,187	223,634	462,107	456,784
Property-level operating expenses	435,901	421,413	866,405	834,326
Office building services costs	515	534	1,148	649
General, administrative and professional fees	43,079	36,656	83,839	73,830
Loss (gain) on extinguishment of debt, net	4,022	(93)	4,427	10,884
Merger-related expenses and deal costs	4,600	4,494	6,780	21,830
Other	(11,481)	3,527	(11,458)	6,647
Total expenses	813,192	803,194	1,634,236	1,629,342
Income before unconsolidated entities, real estate dispositions, income taxes, discontinued operations and noncontrolling interests	137,525	139,110	259,355	256,667
Loss from unconsolidated entities	(2,529)	(6,371)	(3,475)	(47,110)
Gain on real estate dispositions	19,150	35,827	24,597	35,875
Income tax benefit	57,752	734	59,009	3,976
Income from continuing operations	211,898	169,300	339,486	249,408
Discontinued operations	0	0	0	(10)
Net income	211,898	169,300	339,486	249,398
Net income attributable to noncontrolling interests	1,369	2,781	3,172	4,176
Net income attributable to common stockholders	$ 210,529	$ 166,519	$ 336,314	$ 245,222
Income from continuing operations (in usd per share)	$ 0.59	$ 0.48	$ 0.94	$ 0.70
Net income attributable to common stockholders (in usd per share)	0.58	0.47	0.94	0.69
Income from continuing operations (in usd per share)	0.58	0.47	0.93	0.69
Net income attributable to common stockholders (in usd per share)	$ 0.58	$ 0.46	$ 0.93	$ 0.68
Triple-Net Leased Properties
Rental income	$ 196,382	$ 167,870	$ 396,450	$ 358,511
Property-level operating expenses	6,321	0	13,754	0
Office Operations
Rental income	202,188	192,392	403,616	386,560
Property-level operating expenses	62,743	60,301	124,828	120,994
Resident Fees and Services
Other revenues	520,725	518,989	1,042,172	1,033,742
Office Building and Other Services Revenue
Other revenues	2,691	4,289	5,209	7,617
Senior Living Operations
Property-level operating expenses	$ 366,837	$ 361,112	$ 727,823	$ 713,332