Loans and Allowance for Loan Losses - Summary of Our Average Recorded Investment and Interest Income Recognized on Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Financing Receivable Impaired [Line Items]
Average Recorded Investment	$ 4,487	$ 1,474	$ 2,771	$ 1,319
Commercial and Industrial Loans
Financing Receivable Impaired [Line Items]
Average Recorded Investment	657	1,406	748	933
Construction, Land and Land Development
Financing Receivable Impaired [Line Items]
Average Recorded Investment	3,270		1,666
Residential Real Estate
Financing Receivable Impaired [Line Items]
Average Recorded Investment	151	$ 68	153	71
Commercial Real Estate
Financing Receivable Impaired [Line Items]
Average Recorded Investment	$ 409		$ 204	$ 315