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Goodwill and Other Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of Goodwill Intangible
The following table summarizes the Company’s goodwill intangible as of the dates indicated:
(in thousands)December 31,
2020		AdditionsReductionsDecember 31,
2019
Goodwill$220,872 $— $— $220,872 
Summary of Core Deposit Intangibles
The following table summarizes the Company’s core deposit intangibles (“CDI”) as of the dates indicated:
(in thousands)December 31,
2020		AdditionsReductions/
Amortization		December 31,
2019
Core deposit intangibles$37,163 $— $— $37,163 
Accumulated amortization(19,330)— (5,724)(13,606)
Core deposit intangibles, net$17,833 — $(5,724)$23,557 
Remaining Estimated Core Deposit Intangible Amortization The following table summarizes the Company’s estimated core deposit intangible amortization (dollars in thousands):
Years EndedEstimated CDI Amortization
2021$5,464 
20224,776 
20234,269 
20242,482 
2025533 
Thereafter309 
$17,833