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Accounting Policies (Tables)
 6 Months Ended
Jun. 30, 2021
Accounting Policies [Abstract]  
Summary of Computation of Basic and Diluted Earnings Per Share
The following table shows computation of basic and diluted earnings per share.
Three Months EndedSix Months Ended
June 30June 30
2021202020212020
Basic earnings per share
Net income$22,173 $14,639 $42,595 $26,294 
Weighted average common shares outstanding43,950,501 43,781,249 43,935,111 44,219,880 
Basic earnings per share$0.50 $0.33 $0.97 $0.59 
Diluted earnings per share
Net income $22,173 $14,639 $42,595 $26,294 
Weighted average common shares outstanding43,950,501 43,781,249 43,935,111 44,219,880 
Effect of dilutive securities:
Restricted stock106,175 7,614 104,421 40,017 
Stock options54,427 13,931 53,045 26,967 
Weighted average common shares outstanding44,111,103 43,802,794 44,092,577 44,286,864 
Diluted earnings per share$0.50 $0.33 $0.97 $0.59