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Summary of Significant Accounting Policies - Schedule of Illustrates the Impact of Adoption (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Assets:      
Allowance for loan/credit losses on loans $ 960,567 $ 891,676 $ 10,556
Deferred tax asset     2,298
Liabilities:      
Reserve for unfunded commitments     0
Shareholders’ equity:      
Retained earnings $ 112,220 99,062 90,341
Impact of ASU 2016-13 Adoption      
Assets:      
Allowance for loan/credit losses on loans   723 723
Deferred tax asset     269
Liabilities:      
Reserve for unfunded commitments   402 402
Shareholders’ equity:      
Retained earnings   $ 856 (856)
As Reported Under ASU 2016-13      
Assets:      
Allowance for loan/credit losses on loans     11,279
Deferred tax asset     2,567
Liabilities:      
Reserve for unfunded commitments     402
Shareholders’ equity:      
Retained earnings     $ 89,485