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Stockholders' Equity (Tables)
 9 Months Ended
Sep. 30, 2020
Equity [Abstract]  
Stock repurchase program
The following table includes information about the stock repurchase program for the nine months ended September 30, 2019 (dollar amounts in thousands, except per share data):
2019 Monthly PeriodNumber of Shares PurchasedAverage Price Paid per ShareTotal Number of Shares Purchased as Part of the ProgramMaximum Dollar Value of Shares that Remained Under the Program
January 201942,488 $8.47 52,523 $1,072 
February 2019202 8.88 52,725 1,070 
(1)No stock was repurchased after February 2019, and the stock repurchase program expired on April 30, 2019.