Quarterly report pursuant to Section 13 or 15(d)

Earnings per Share - Schedule of Earnings Per Share (Details)

v3.7.0.1
Earnings per Share - Schedule of Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Numerator:    
Net income available to common stockholders for basic and diluted net income per common share $ 207,073 $ 172,440
Denominator:    
Weighted average common shares outstanding for basic net income per common share (in shares) 4,710,340 5,065,319
Weighted average impact of dilutive equity instruments (in shares) 74,080 45,299
Weighted average shares for diluted net income per common share (in shares) 4,784,420 5,110,618
Net income per common share:    
Basic (in dollars per share) $ 0.04 $ 0.03
Diluted (in dollars per share) $ 0.04 $ 0.03