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EARNINGS PER SHARE (Tables)
3 Months Ended
Mar. 31, 2021
Earnings Per Share [Abstract]  
Reconciliation of Basic and Diluted Earnings Per Share The reconciliation of basic and diluted earnings per share for the three months ended March 31, 2021 and 2020 is as follows:
Three Months Ended
March 31, 2021March 31, 2020
DilutedBasicDilutedBasic
Consolidated operations
Income available to common stockholders$83,952 $83,952 $55,253 $55,253 
Average equivalent shares
Shares of common stock65,229 65,229 64,009 64,009 
Effect of dilutive stock-based compensation
Stock options1,869 1,810 
Restricted stock550 292 
Total average equivalent shares67,648 65,229 66,111 64,009 
Net income per share$1.24 $1.29 $0.84 $0.86