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Condensed Consolidated Statements of Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Common Stock [Member]
Additional Paid-In Capital [Member]
Retained Earnings [Member]
Total
Beginning balance at Dec. 31, 2022 $ 318 $ 584,803 $ 1,565,094 $ 2,150,215
Beginning balance, shares at Dec. 31, 2022 31,773      
Vesting of stock-based compensation awards $ 4 (4)    
Vesting of stock-based compensation awards, shares 448      
Withholding of common stock upon vesting of stock-based compensation awards $ (2) (10,670)   (10,672)
Withholding of common stock upon vesting of stock-based compensation awards, shares (170)      
Repurchases of common stock $ (2) (19,225)   (19,227)
Repurchases of common stock, shares (278)      
Stock-based compensation expense   26,517   26,517
Cash dividends declared and dividend equivalents   913 (22,987) (22,074)
Net income     167,906 167,906
Ending balance at Sep. 30, 2023 $ 318 582,334 1,710,013 2,292,665
Ending balance, shares at Sep. 30, 2023 31,773      
Beginning balance at Jun. 30, 2023 $ 320 586,856 1,634,741 2,221,917
Beginning balance, shares at Jun. 30, 2023 32,020      
Vesting of stock-based compensation awards, shares 1      
Withholding of common stock upon vesting of stock-based compensation awards   (29)   (29)
Repurchases of common stock $ (2) (17,256)   (17,258)
Repurchases of common stock, shares (248)      
Stock-based compensation expense   12,226   12,226
Cash dividends declared and dividend equivalents   537 (7,878) (7,341)
Net income     83,150 83,150
Ending balance at Sep. 30, 2023 $ 318 582,334 1,710,013 2,292,665
Ending balance, shares at Sep. 30, 2023 31,773      
Beginning balance at Dec. 31, 2023 $ 318 592,989 1,793,629 2,386,936
Beginning balance, shares at Dec. 31, 2023 31,775      
Vesting of stock-based compensation awards $ 3 (3)    
Vesting of stock-based compensation awards, shares 335      
Withholding of common stock upon vesting of stock-based compensation awards $ (1) (10,472)   (10,473)
Withholding of common stock upon vesting of stock-based compensation awards, shares (121)      
Repurchases of common stock $ (7) (53,132)   (53,139)
Repurchases of common stock, shares (652)      
Stock-based compensation expense   18,095   18,095
Cash dividends declared and dividend equivalents   610 (25,239) (24,629)
Other   (363)   (363)
Net income     231,075 231,075
Ending balance at Sep. 30, 2024 $ 313 547,724 1,999,465 2,547,502
Ending balance, shares at Sep. 30, 2024 31,337      
Beginning balance at Jun. 30, 2024 $ 313 540,573 1,924,771 2,465,657
Beginning balance, shares at Jun. 30, 2024 31,336      
Vesting of stock-based compensation awards, shares 1      
Withholding of common stock upon vesting of stock-based compensation awards   (49)   (49)
Stock-based compensation expense   7,385   7,385
Cash dividends declared and dividend equivalents   178 (8,326) (8,148)
Other   (363)   (363)
Net income     83,020 83,020
Ending balance at Sep. 30, 2024 $ 313 $ 547,724 $ 1,999,465 $ 2,547,502
Ending balance, shares at Sep. 30, 2024 31,337