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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, 2020   20,839,227    
Balance at beginning of period at Dec. 31, 2020 $ 1,045,252 $ 4,282 $ 707,209 $ 333,761
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Restricted common stock issued (in shares)   109    
Stock used for tax withholdings (in shares)   (38)    
Exercise of stock options (in shares)   429    
Exercise of stock options 15   15  
Stock-based compensation 1,612   1,612  
Net income (loss) (119)     (119)
Balance at end of period (in shares) at Mar. 31, 2021   20,839,727    
Balance at end of period at Mar. 31, 2021 1,046,760 $ 4,282 708,836 333,642
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  
Cash dividends, $1.2125 per share (104,444)     (104,444)
Net income (loss) 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