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Premises and Equipment (Tables)
12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment [Abstract]  
Summary of Premises and Equipment
The composition of premises and equipment was as follows:
December 31,
(dollars in thousands)20232022
Land$91,568 $91,568 
Buildings453,234 419,596 
Furniture, fixtures, and equipment148,134 154,719 
Leasehold improvements85,187 69,412 
Total778,123 735,295 
Accumulated depreciation(212,727)(177,988)
Premises and equipment, net$565,396 $557,307