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Earnings per Share Earnings per Share (Tables)
 9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Schedule of Weighted Average Number of Shares [Table Text Block] The following table summarizes the dilutive effect of RSUs and options to purchase common stock for the nine months ended September 30, 2022 and 2021:
Three months ended
September 30,		Nine months ended
September 30,
2022202120222021
Weighted average common shares—basic41,995,027 42,889,922 42,363,919 43,061,707 
Dilutive effect of restricted stock units186,413 204,177 226,858 267,675 
Dilutive effect of stock options— — — 16,395 
Weighted average common shares—diluted42,181,440 43,094,099 42,590,777 43,345,777