Quarterly report pursuant to Section 13 or 15(d)

Earnings per Share (Details)

v3.5.0.2
Earnings per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Numerator:        
Net income available to common stockholders for basic and diluted net income per common share $ 173,015 $ 102,849 $ 344,354 $ 208,541
Denominator:        
Weighted average common shares outstanding for basic net income per common share (in shares) 4,938,820 5,443,590 5,002,070 5,506,818
Weighted average impact of dilutive equity instruments (in shares) 49,427 64,011 47,501 63,627
Weighted average shares for diluted net income per common share (in shares) 4,988,247 5,507,601 5,049,571 5,570,445
Net income per common share:        
Basic (in dollars per share) $ 0.04 $ 0.02 $ 0.07 $ 0.04
Diluted (in dollars per share) $ 0.03 $ 0.02 $ 0.07 $ 0.04