Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share

	Three Months Ended March 31,
	2018		2017
Numerator:
Net income (numerator for diluted EPS)	$	53,513	$	65,133
Less: Preference stock dividend	8		9
Income attributable to common stockholders (numerator for basic EPS)	$	53,505	$	65,124
Denominator:
Weighted-average shares used in basic EPS	186,863		185,982
Effect of dilutive shares	1,312		893
Weighted-average shares used in diluted EPS	188,175		186,875
Basic earnings per share	$	0.29	$	0.35
Diluted earnings per share	$	0.28	$	0.35
Anti-dilutive shares not used in calculating diluted weighted-average shares	11,636		11,176