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Goodwill and Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The following table presents goodwill as of the dates presented:
December 31,
(dollars in thousands)20212020
Balance at beginning of year$373,424 $371,621 
Additions— 1,803 
Balance at End of Year$373,424 $373,424 
Summary of Intangible Assets
The following table presents a summary of intangible assets as of the dates presented:
December 31,
(dollars in thousands)20212020
Gross carrying amount at beginning of year$31,340 $31,052 
Additions — 288 
Accumulated amortization(24,445)(22,665)
Balance at End of Year$6,895 $8,675 
Summary of Expected Amortization Expense for Finite-Lived Intangibles Assets
The following is a summary of the expected amortization expense for finite-lived intangible assets, assuming no new additions, for each of the five years following December 31, 2021 and thereafter:
(dollars in thousands)Amount
2022$1,518 
20231,319 
20241,151 
2025820 
2026671 
Thereafter1,416 
Total$6,895