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Other Intangible Assets and Goodwill (Tables)
 12 Months Ended
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of core deposit intangibles
The following table sets forth information regarding the Company’s core deposit intangibles:
 At or for the Years ended
(Dollars in thousands)December 31,
2022		December 31,
2021		December 31,
2020
Gross carrying value$95,120 95,120 88,099 
Accumulated amortization(53,519)(42,861)(32,590)
Net carrying value$41,601 52,259 55,509 
Aggregate amortization expense$10,658 10,271 10,370 
Estimated amortization expense for the years ending December 31,
2023$9,731 
20248,815 
20257,611 
20266,561 
20275,603 
Schedule of Goodwill
The following schedule discloses the changes in the carrying value of goodwill:
 Years ended
(Dollars in thousands)December 31,
2022		December 31,
2021		December 31,
2020
Net carrying value at beginning of period$985,393 514,013 456,418 
Acquisitions and adjustments— 471,380 57,595 
Net carrying value at end of period$985,393 985,393 514,013