Per Share Information (Tables)

12 Months Ended

Dec. 31, 2019

Basic and Diluted Earnings Per Share Attributable to Common Stock

The amounts used to compute basic and diluted earnings per share attributable to common stock for the years ended December 31, 2019, 2018 and 2017 consisted of the following (in thousands):



	Year Ended December 31,
	2019		2018		2017
Amounts attributable to common stock:
Net income attributable to common stock	$	402,044	$	293,346	$	314,978
Weighted average shares:
Weighted average shares outstanding for basic earnings per share attributable to common stock	145,710		152,963		156,124
Effect of dilutive unvested non-participating stock-based awards	1,824		1,263		1,031
Weighted average shares outstanding for diluted earnings per share attributable to common stock	147,534		154,226		157,155