CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Revenues:
Rental income		$ 381,084	$ 343,369
Total revenues		1,272,245	1,096,965
Expenses:
Property operating expenses		670,807	556,465
Depreciation and amortization		243,932	228,201
Interest expense		145,232	122,775
General and administrative expenses		35,282	33,705
Loss (gain) on derivatives and financial instruments, net		(2,487)	(7,173)
Loss (gain) on extinguishment of debt, net		15,719	11,707
Provision for loan losses		18,690	0
Impairment of assets		0	28,185
Other expenses		8,756	3,712
Total expenses		1,135,931	977,577
Income (loss) from continuing operations before income taxes and other items		136,314	119,388
Income tax (expense) benefit		(2,222)	(1,588)
Income (loss) from unconsolidated entities		(9,199)	(2,429)
Gain (loss) on real estate dispositions, net		167,409	338,184
Income (loss) from continuing operations		292,302	453,555
Net income (loss)		292,302	453,555
Less: Preferred stock dividends		0	11,676
Less: Net income (loss) attributable to noncontrolling interests	[1]	11,832	4,208
Net income (loss) attributable to common stockholders		$ 280,470	$ 437,671
Average number of common shares outstanding:
Basic (in shares)		391,474	371,426
Diluted (in shares)		393,452	373,257
Basic:
Income (loss) from continuing operations (in USD per share)		$ 0.75	$ 1.22
Net income (loss) attributable to common stockholders (in USD per share)		0.72	1.18
Diluted:
Income (loss) from continuing operations (in USD per share)		0.74	1.22
Net income (loss) attributable to common stockholders (in USD per share)		0.71	1.17
Dividends declared and paid per common share (in USD per share)		$ 0.87	$ 0.8700
Net income		$ 292,302	$ 453,555
Other comprehensive income (loss):
Foreign currency translation gain (loss)		78,620	79,024
Derivative instruments gain (loss)		(87,682)	(62,698)
Total other comprehensive income (loss)		(9,062)	16,326
Total comprehensive income (loss)		283,240	469,881
Less: Total comprehensive income (loss) attributable to noncontrolling interests(1)		17,619	322	[1]
Total comprehensive income (loss) attributable to common stockholders		265,621	469,559
Resident fees and services
Revenues:
Revenue from contract with customer		868,285	735,934
Interest income
Revenues:
Revenue from contract with customer		15,119	14,648
Other income
Revenues:
Revenue from contract with customer		$ 7,757	$ 3,014

[1] Includes amounts attributable to redeemable noncontrolling interests.