Quarterly Results of Operations (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

		Year Ended December 31, 2017
		1st Quarter		2nd Quarter		3rd Quarter		4th Quarter⁽¹⁾
Revenues		$	1,062,298	$	1,058,602	$	1,091,483	$	1,104,257
Net income (loss) attributable to common stockholders			312,639		188,429		74,043		(111,523)
Net income (loss) attributable to common stockholders per share:
	Basic	$	0.86	$	0.51	$	0.20	$	(0.31)
	Diluted	$	0.86	$	0.51	$	0.20	$	(0.31)

		Year Ended December 31, 2016
		1st Quarter		2nd Quarter		3rd Quarter⁽²⁾		4th Quarter
Revenues		$	1,047,050	$	1,076,657	$	1,079,133	$	1,078,321
Net income attributable to common stockholders			148,969		195,474		334,910		333,044
Net income attributable to common stockholders per share:
	Basic	$	0.42	$	0.55	$	0.93	$	0.92
	Diluted	$	0.42	$	0.54	$	0.93	$	0.91

(1) The decrease in net income (loss) and amounts per share are primarily attributable to $99,821,100 impairment of assets and $62,966,000 provision for loan losses recognized in the fourth quarter as compared to none in the third quarter.
(2) The increase in net income and amounts per share are primarily attributable to gains on sales of real estate of $162,351,000 for the third quarter as compared to gains of $1,530,000 for the second quarter.