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Loans, Allowance for Credit Losses, and Asset Quality Information - Schedule of Loan Portfolio Concentration Risk (Details) - Loan Portfolio Benchmark - Geographic Concentration Risk	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Wake County, North Carolina
Concentration Risk [Line Items]
Concentration risk percentage	10.10%	11.60%
New Hanover County, North Carolina
Concentration Risk [Line Items]
Concentration risk percentage	8.10%	9.10%
Mecklenburg County, North Carolina
Concentration Risk [Line Items]
Concentration risk percentage	7.60%	7.90%
Buncombe County, North Carolina
Concentration Risk [Line Items]
Concentration risk percentage	5.30%	6.10%
Guilford County, North Carolina
Concentration Risk [Line Items]
Concentration risk percentage	5.00%	5.00%

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