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Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2024
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 September 30Nine months ended September 30
 2024202320242023
 (dollars in thousands)
Compensation expense$3,507 $3,048 $6,932 $7,288 
Tax benefit(804)(673)(1,568)(1,600)
Total stock-based compensation, net of tax $2,703 $2,375 $5,364 $5,688