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Earnings Per Share
 6 Months Ended
Jun. 30, 2023
Earnings Per Share [Abstract]  
Earnings Per Share EARNINGS PER SHARE
The factors used in the earnings per share computation follow:
Three Months Ended June 30,Six Months Ended June 30,
(Dollars in thousands)2023202220232022
Basic
Net income to common stockholders$6,848 $43,390 $17,057 $66,918 
Weighted average common shares outstanding23,138,835 24,427,270 23,249,668 24,612,988 
Basic earnings per common share$0.30 $1.78 $0.73 $2.72 
Diluted
Net income to common stockholders$6,848 $43,390 $17,057 $66,918 
Weighted average common shares outstanding23,138,835 24,427,270 23,249,668 24,612,988 
Dilutive effects of:
Assumed exercises of stock options71,658 89,443 73,884 99,402 
Restricted stock awards90,645 144,526 113,930 189,492 
Restricted stock units65,909 85,934 91,878 91,236 
Performance stock units - market based87,360 115,825 104,203 127,694 
Performance stock units - performance based— — — — 
Employee stock purchase program1,064 3,575 780 2,173 
Average shares and dilutive potential common shares23,455,471 24,866,573 23,634,343 25,122,985 
Diluted earnings per common share$0.29 $1.74 $0.72 $2.66 
Shares that were not considered in computing diluted earnings per common share because they were antidilutive are as follows:
Three Months Ended June 30,Six Months Ended June 30,
2023202220232022
Stock options107,309 52,878 107,309 52,878 
Restricted stock awards4,232 6,348 4,232 6,348 
Restricted stock units11,250 15,000 11,250 15,000 
Performance stock units - market based42,056 45,296 42,056 45,296 
Performance stock units - performance based— 254,832 — 254,832 
Employee stock purchase program— — — —