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Allowance for Loan Losses - Credit Quality Indicators (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Allowance for loan losses
Loans, excluding consumer finance	$ 1,067,892	$ 1,040,154
Pass
Allowance for loan losses
Loans, excluding consumer finance	1,036,555	1,004,998
Special Mention
Allowance for loan losses
Loans, excluding consumer finance	19,478	20,526
Substandard
Allowance for loan losses
Loans, excluding consumer finance	8,873	11,628
Substandard Nonaccrual
Allowance for loan losses
Loans, excluding consumer finance	2,986	3,002
Real estate - residential mortgage
Allowance for loan losses
Loans, excluding consumer finance	216,920	218,298
Real estate - residential mortgage | Pass
Allowance for loan losses
Loans, excluding consumer finance	215,312	215,712
Real estate - residential mortgage | Special Mention
Allowance for loan losses
Loans, excluding consumer finance	699	1,715
Real estate - residential mortgage | Substandard
Allowance for loan losses
Loans, excluding consumer finance	631	595
Real estate - residential mortgage | Substandard Nonaccrual
Allowance for loan losses
Loans, excluding consumer finance	278	276
Real estate - construction | Construction lending
Allowance for loan losses
Loans, excluding consumer finance	39,525	49,659
Real estate - construction | Construction lending | Pass
Allowance for loan losses
Loans, excluding consumer finance	39,525	49,659
Real estate - construction | Consumer lot lending
Allowance for loan losses
Loans, excluding consumer finance	13,359	12,488
Real estate - construction | Consumer lot lending | Pass
Allowance for loan losses
Loans, excluding consumer finance	13,359	12,488
Commercial, financial and agricultural | Commercial real estate lending
Allowance for loan losses
Loans, excluding consumer finance	454,302	441,903
Commercial, financial and agricultural | Commercial real estate lending | Pass
Allowance for loan losses
Loans, excluding consumer finance	430,671	415,506
Commercial, financial and agricultural | Commercial real estate lending | Special Mention
Allowance for loan losses
Loans, excluding consumer finance	15,507	15,507
Commercial, financial and agricultural | Commercial real estate lending | Substandard
Allowance for loan losses
Loans, excluding consumer finance	8,124	10,890
Commercial, financial and agricultural | Land acquisition and development lending
Allowance for loan losses
Loans, excluding consumer finance	33,615	37,724
Commercial, financial and agricultural | Land acquisition and development lending | Pass
Allowance for loan losses
Loans, excluding consumer finance	33,615	37,724
Commercial, financial and agricultural | Builder line lending
Allowance for loan losses
Loans, excluding consumer finance	22,388	18,194
Commercial, financial and agricultural | Builder line lending | Pass
Allowance for loan losses
Loans, excluding consumer finance	22,388	18,194
Commercial, financial and agricultural | Commercial business lending
Allowance for loan losses
Loans, excluding consumer finance	231,675	202,394
Commercial, financial and agricultural | Commercial business lending | Pass
Allowance for loan losses
Loans, excluding consumer finance	226,063	196,743
Commercial, financial and agricultural | Commercial business lending | Special Mention
Allowance for loan losses
Loans, excluding consumer finance	3,104	3,124
Commercial, financial and agricultural | Commercial business lending | Substandard
Allowance for loan losses
Loans, excluding consumer finance	99	99
Commercial, financial and agricultural | Commercial business lending | Substandard Nonaccrual
Allowance for loan losses
Loans, excluding consumer finance	2,409	2,428
Equity lines
Allowance for loan losses
Loans, excluding consumer finance	46,976	48,466
Equity lines | Pass
Allowance for loan losses
Loans, excluding consumer finance	46,658	48,140
Equity lines | Special Mention
Allowance for loan losses
Loans, excluding consumer finance	126	132
Equity lines | Substandard
Allowance for loan losses
Loans, excluding consumer finance	3	3
Equity lines | Substandard Nonaccrual
Allowance for loan losses
Loans, excluding consumer finance	189	191
Consumer
Allowance for loan losses
Loans, excluding consumer finance	9,132	11,028
Consumer | Pass
Allowance for loan losses
Loans, excluding consumer finance	8,964	10,832
Consumer | Special Mention
Allowance for loan losses
Loans, excluding consumer finance	42	48
Consumer | Substandard
Allowance for loan losses
Loans, excluding consumer finance	16	41
Consumer | Substandard Nonaccrual
Allowance for loan losses
Loans, excluding consumer finance	$ 110	$ 107

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Amount before allowance of loans and leases held in portfolio, excluding consumer finance loans.

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