XML 42 R31.htm IDEA: XBRL DOCUMENT v3.22.2.2
Summary of Significant Accounting Policies - Basic and Diluted Net Income Per Share Calculations (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Basic net income per common share calculation:        
Net income available to common shareholders $ 144,860 $ 132,779 $ 411,501 $ 382,401
Denominator - Weighted average common shares outstanding (in shares) 75,761,930 75,494,286 75,723,129 75,449,900
Basic net income per common share (in dollars per share) $ 1.91 $ 1.76 $ 5.43 $ 5.07
Diluted net income per common share calculation:        
Numerator - Net income available to common shareholders $ 144,860 $ 132,779 $ 411,501 $ 382,401
Dilutive shares contingently issuable (in shares) 217,000 342,000 222,000 311,000
Weighted Average Number of Shares Outstanding, Diluted 75,979,056 75,836,142 75,945,469 75,760,618
Diluted net income per common share (in dollars per share) $ 1.91 $ 1.75 $ 5.42 $ 5.05