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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Dec. 31, 2021
Accounting Policies [Abstract]  
Summary of Components Used to Calculate Basic and Diluted Earnings Per Share
Presented below is a summary of the components used to calculate basic and diluted earnings per share.
Years Ended December 31,
(dollars and shares in thousands)202120202019
Net income available to common shareholders$376,913 $261,988 $161,441 
Weighted average number of common shares outstanding69,432 69,256 58,462 
Effect of dilutive stock options61 23 69 
Effect of dilutive restricted stock awards143 129 83 
Effect of performance stock units125 18 — 
Weighted average number of common shares outstanding used to calculate diluted earnings per share69,761 69,426 58,614