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Other Intangibles (Tables)
 12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Core Deposit and Other Intangibles
The carrying basis and accumulated amortization of recognized core deposit and other intangibles are noted below.
 20202019
Gross carrying amount$102,396 $85,869 
Core deposit intangible acquired— 16,527 
Accumulated amortization(73,421)(67,434)
Total core deposit and other intangibles$28,975 $34,962 
Schedule of Estimated Future Amortization Expense
Estimated future amortization expense is summarized as follows:
Amortization Expense
2021$5,429 
20225,027 
20234,827 
20244,241 
20253,526 
After 20255,925 
 $28,975