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Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2022
Stockholders' Equity.  
Summary of share repurchase activity

Quarter ended September 30, 

Nine months ended September 30, 

Cumulative

2022

    

2021

    

2022

    

2021

    

total (1)

(in thousands)

Shares of common stock repurchased

1,949

4,195

6,696

11,422

31,770

Cost of shares of common stock repurchased

$

99,702

$

257,354

$

354,759

$

700,793

$

1,665,380

(1)Amounts represent the total shares of common stock repurchased under the stock repurchase program from inception through September 30, 2022.