Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY - Summary of Changes in Shareholders' Equity (Details)

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STOCKHOLDERS' EQUITY - Summary of Changes in Shareholders' Equity (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning balance (in shares) 37,340,855  
Beginning balance $ 3,044,389 $ 2,347,868
Net earnings 217,254 131,843
Stock-based compensation expense 5,975 5,367
Issuance of stock 0 0
Share repurchases $ (99,303) (8,385)
Ending balance (in shares) 36,695,048  
Ending balance $ 3,168,315 $ 2,476,693
Common Stock [Member]    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning balance (in shares) 37,341,000 37,512,000
Beginning balance $ 373 $ 375
Issuance of stock (in shares) 392,000 435,000
Issuance of stock $ 4 $ 4
Share repurchases (in shares) (1,038,000) (100,000)
Share repurchases $ (10) $ (1)
Ending balance (in shares) 36,695,000 37,847,000
Ending balance $ 367 $ 378
Additional Paid-in Capital [Member]    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning balance 414,841 455,762
Stock-based compensation expense 5,975 5,367
Issuance of stock (4) (4)
Share repurchases (99,293) (8,384)
Ending balance 321,519 452,741
Retained Earnings [Member]    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Beginning balance 2,629,175 1,891,731
Net earnings 217,254 131,843
Ending balance $ 2,846,429 $ 2,023,574