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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Retained Earnings
Balance at beginning of period (in shares) at Dec. 31, 2021   84,572,846    
Balance at beginning of period at Dec. 31, 2021 $ 4,654,998 $ 4,912 $ 4,199,108 $ 450,978
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Restricted common stock issued (in shares)   579,229    
Restricted common stock issued 6 $ 6    
Stock used for tax withholdings (in shares)   (215,811)    
Stock used for tax withholdings (12,934) $ (2) (12,932)  
Exercise of stock options (in shares)   5,294    
Exercise of stock options 178   178  
Stock-based compensation 8,090   8,090  
Dividends declared (104,444)     (104,444)
Net income 91,639     91,639
Balance at end of period (in shares) at Mar. 31, 2022   84,941,558    
Balance at end of period at Mar. 31, 2022 4,637,533 $ 4,916 4,194,444 438,173
Balance at beginning of period (in shares) at Dec. 31, 2021   84,572,846    
Balance at beginning of period at Dec. 31, 2021 4,654,998 $ 4,912 4,199,108 450,978
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net income 560,460      
Balance at end of period (in shares) at Jun. 30, 2022   85,031,963    
Balance at end of period at Jun. 30, 2022 4,992,550 $ 4,917 4,197,790 789,843
Balance at beginning of period (in shares) at Mar. 31, 2022   84,941,558    
Balance at beginning of period at Mar. 31, 2022 4,637,533 $ 4,916 4,194,444 438,173
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Restricted common stock issued (in shares)   130,309    
Restricted common stock issued 1 $ 1    
Stock used for tax withholdings (in shares)   (40,646)    
Stock used for tax withholdings (2,813)   (2,813)  
Exercise of stock options (in shares)   742    
Exercise of stock options 24   24  
Stock-based compensation 6,135   6,135  
Dividends declared (117,151)     (117,151)
Net income 468,821     468,821
Balance at end of period (in shares) at Jun. 30, 2022   85,031,963    
Balance at end of period at Jun. 30, 2022 4,992,550 $ 4,917 4,197,790 789,843
Balance at beginning of period (in shares) at Dec. 31, 2022   85,120,287    
Balance at beginning of period at Dec. 31, 2022 5,373,919 $ 4,918 4,211,197 1,157,804
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Restricted common stock issued (in shares)   112,052    
Stock used for tax withholdings (in shares)   (30,111)    
Stock used for tax withholdings (2,118)   (2,118)  
Exercise of stock options (in shares)   13,352    
Exercise of stock options 440   440  
Common stock repurchased and retired (in shares)   (4,918,032)    
Common stock repurchased and retired (303,455) $ (49) (243,312) (60,094)
Stock-based compensation 7,380   7,380  
Dividends declared (176,878)     (176,878)
Net income 202,461     202,461
Balance at end of period (in shares) at Mar. 31, 2023   80,297,548    
Balance at end of period at Mar. 31, 2023 5,101,749 $ 4,869 3,973,587 1,123,293
Balance at beginning of period (in shares) at Dec. 31, 2022   85,120,287    
Balance at beginning of period at Dec. 31, 2022 5,373,919 $ 4,918 4,211,197 1,157,804
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net income 341,748      
Balance at end of period (in shares) at Jun. 30, 2023   80,220,613    
Balance at end of period at Jun. 30, 2023 5,046,687 $ 4,869 3,957,513 1,084,305
Balance at beginning of period (in shares) at Mar. 31, 2023   80,297,548    
Balance at beginning of period at Mar. 31, 2023 5,101,749 $ 4,869 3,973,587 1,123,293
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Restricted common stock issued (in shares)   375,615    
Restricted common stock issued 4 $ 4    
Stock used for tax withholdings (in shares)   (139,895)    
Stock used for tax withholdings (10,496) $ (1) (10,495)  
Exercise of stock options (in shares)   111    
Exercise of stock options 4   4  
Common stock repurchased and retired (in shares)   (312,766)    
Common stock repurchased and retired (20,398) $ (3) (15,478) (4,917)
Stock-based compensation 9,895   9,895  
Dividends declared (173,358)     (173,358)
Net income 139,287     139,287
Balance at end of period (in shares) at Jun. 30, 2023   80,220,613    
Balance at end of period at Jun. 30, 2023 $ 5,046,687 $ 4,869 $ 3,957,513 $ 1,084,305