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NET INCOME PER SHARE (Tables)
6 Months Ended
Jun. 30, 2022
Earnings Per Share [Abstract]  
Basic and Diluted Net Income (Loss) Per Share
Basic and diluted net income per share was as follows:
 Three Months Ended June 30,Six Months Ended June 30,
 Dollars in thousands, except per share amounts2022202120222021
Basic net income per share:
Net income $44,788 $35,068 $77,689 $80,462 
Weighted average common shares outstanding83,168 84,687 83,400 84,593 
Basic net income per common share$0.54 $0.41 $0.93 $0.95 
Diluted net income per share:
Net income $44,788 $35,068 $77,689 $80,462 
Weighted average common shares outstanding — Basic83,168 84,687 83,400 84,593 
Effect of dilutive securities:
Stock options and restricted stock454 653 579 731 
Weighted average common shares for diluted earnings per share83,622 85,340 83,979 85,324 
Diluted net income per common share$0.54 $0.41 $0.93 $0.94