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Goodwill and Other Intangible Assets (Tables)
 6 Months Ended
Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Changes in Carrying Amount of Goodwill
The following table presents the changes in the carrying amount of goodwill:
Three Months Ended
June 30,		Six Months Ended
June 30,
(dollars in thousands)2024202320242023
Balance at beginning of period$1,998,716 $1,998,716 $1,998,716 $1,998,716 
Acquisitions and adjustments171,993 — 171,993 — 
Balance at end of period$2,170,709 $1,998,716 $2,170,709 $1,998,716 
Schedule of Gross Carrying Amounts and Accumulated Amortization of Other Intangible Assets
The gross carrying amounts and accumulated amortization of other intangible assets were as follows: 
(dollars in thousands)Gross
Carrying
Amount		Accumulated
Amortization
and Impairment		Net
Carrying
Amount
June 30, 2024   
Core deposit$189,636 $(83,537)$106,099 
Customer trust relationships52,621 (23,225)29,396 
Total other intangible assets$242,257 $(106,762)$135,495 
December 31, 2023
Core deposit$143,511 $(72,940)$70,571 
Customer trust relationships52,621 (20,942)31,679 
Total other intangible assets$196,132 $(93,882)$102,250 
Schedule of Estimated Amortization Expense for Future Years
Estimated amortization expense for future years is as follows:
(dollars in thousands) 
2024 remaining$14,648 
202526,116 
202622,474 
202718,947 
202815,598 
Thereafter37,712 
Total$135,495