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NET INCOME PER SHARE
 6 Months Ended
Jun. 30, 2022
Earnings Per Share [Abstract]  
NET INCOME PER SHARE NET INCOME 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 
Common stock of approximately 0.2 million and 0.1 million shares at June 30, 2022, and 2021, respectively that are issuable through exercise of dilutive securities were not included in the computation of diluted net income per share because their effect would have been anti-dilutive.
Based on the adoption of ASU 2020-06, as the principal amount of the 2025 Notes will be paid in cash and only the conversion spread is settled in shares, the Company will be utilizing the if-converted method and only includes the net number of incremental shares that would be issued upon conversion.