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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]  
Summary of Compensation Expense and Related Tax Benefits
The following table presents compensation expense and the related tax benefits for equity awards recognized in the consolidated statements of income:
Three months ended March 31
 20212020
         (in thousands)
Compensation expense$1,902 $1,619 
Tax benefit(414)(344)
Stock-based compensation expense, net of tax benefit$1,488 $1,275