Loans and Allowance for Loan Losses - Age Analysis of Past Due Loans by Class (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Financing Receivable, Past Due [Line Items]
Total	$ 2,584,922	$ 1,936,066	$ 1,707,013
30-89 Days
Financing Receivable, Past Due [Line Items]
Total	289	334
Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Total Past Due
Financing Receivable, Past Due [Line Items]
Total	289	334
Current
Financing Receivable, Past Due [Line Items]
Total	2,584,633	1,935,732
Commercial
Financing Receivable, Past Due [Line Items]
Total	2,220,267	1,586,232	1,317,060
Commercial | 30-89 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial | Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial | Current
Financing Receivable, Past Due [Line Items]
Total	2,220,267	1,586,232
Commercial land and development
Financing Receivable, Past Due [Line Items]
Total	13,476	7,376	15,726
Commercial land and development | 30-89 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial land and development | Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial land and development | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial land and development | Current
Financing Receivable, Past Due [Line Items]
Total	13,476	7,376
Commercial construction
Financing Receivable, Past Due [Line Items]
Total	74,997	54,214	47,511
Commercial construction | 30-89 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial construction | Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial construction | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Commercial construction | Current
Financing Receivable, Past Due [Line Items]
Total	74,997	54,214
Residential construction
Financing Receivable, Past Due [Line Items]
Total	5,590	7,388	8,438
Residential construction | 30-89 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Residential construction | Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Residential construction | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Residential construction | Current
Financing Receivable, Past Due [Line Items]
Total	5,590	7,388
Residential
Financing Receivable, Past Due [Line Items]
Total	24,191	28,562	29,354
Residential | 30-89 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Residential | Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Residential | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Residential | Current
Financing Receivable, Past Due [Line Items]
Total	24,191	28,562
Farmland
Financing Receivable, Past Due [Line Items]
Total	54,073	54,805	55,077
Farmland | 30-89 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Farmland | Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Farmland | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Farmland | Current
Financing Receivable, Past Due [Line Items]
Total	54,073	54,805
Secured
Financing Receivable, Past Due [Line Items]
Total	143,200	137,062	137,165
Secured | 30-89 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Secured | Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Secured | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Secured | Current
Financing Receivable, Past Due [Line Items]
Total	143,200	137,062
Unsecured
Financing Receivable, Past Due [Line Items]
Total	25,394	21,136	21,655
Unsecured | 30-89 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Unsecured | Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Unsecured | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Unsecured | Current
Financing Receivable, Past Due [Line Items]
Total	25,394	21,136
Paycheck Protection Program (“PPP”)
Financing Receivable, Past Due [Line Items]
Total	0	22,124	61,499
Paycheck Protection Program (“PPP”) | 30-89 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Paycheck Protection Program (“PPP”) | Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Paycheck Protection Program (“PPP”) | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	0	0
Paycheck Protection Program (“PPP”) | Current
Financing Receivable, Past Due [Line Items]
Total	0	22,124
Consumer and other
Financing Receivable, Past Due [Line Items]
Total	23,734	17,167	$ 13,528
Consumer and other | 30-89 Days
Financing Receivable, Past Due [Line Items]
Total	289	334
Consumer and other | Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Total	0	0
Consumer and other | Total Past Due
Financing Receivable, Past Due [Line Items]
Total	289	334
Consumer and other | Current
Financing Receivable, Past Due [Line Items]
Total	$ 23,445	$ 16,833