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Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2023
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
 20232022
 (dollars in thousands)
Compensation expense$1,668 $2,955 
Tax benefit(362)(603)
Total stock-based compensation, net of tax $1,306 $2,352