Allowance for Loan Credit Losses - Credit quality indicators (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Financing receivable, credit quality indicator
Total	$ 1,975,360	$ 1,872,173
Current period gross write-offs, Total	361
Commercial Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Current year	108,904	133,591
Prior year	146,921	66,453
Two years prior	67,298	299,883
Three years prior	272,670	186,402
Four years prior	152,295	116,364
Prior	420,305	376,923
Revolving	5,224	1,474
Total	1,173,617	1,181,090
Commercial Real Estate | Commercial - Non-Real Estate
Financing receivable, credit quality indicator
Current period gross write-offs, Total	361
Construction and land development | Real Estate Loans
Financing receivable, credit quality indicator
Current year	72,568	64,826
Prior year	66,800	40,190
Two years prior	22,339	17,635
Three years prior	14,925	4,395
Four years prior	773	2,254
Prior	14,439	13,075
Revolving	30,815	22,613
Total	222,659	164,988
Residential Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Current year	92,918	31,815
Prior year	27,336	71,489
Two years prior	59,483	110,724
Three years prior	99,049	114,991
Four years prior	109,931	81,482
Prior	107,918	39,868
Revolving	26,355	22,563
Total	522,990	472,932
Commercial | Commercial - Non-Real Estate
Financing receivable, credit quality indicator
Current year	9,952	13,622
Prior year	4,277	4,628
Two years prior	3,254	5,770
Three years prior	4,032	1,351
Four years prior	618	1,323
Prior	6,202	7,032
Revolving	21,632	14,010
Total	49,967	47,736
Current period gross write-offs, three years prior	361
Current period gross write-offs, Total	361
Consumer | Consumer - Non-Real Estate
Financing receivable, credit quality indicator
Current year	463	812
Prior year	529	72
Two years prior	36
Prior		3
Revolving	15	19
Total	1,043	906
Pass | Commercial Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Current year	108,904	133,591
Prior year	146,921	66,453
Two years prior	67,298	287,181
Three years prior	259,998	176,424
Four years prior	152,295	116,364
Prior	420,305	362,135
Revolving	5,224	1,474
Total	1,160,945	1,143,622
Pass | Construction and land development | Real Estate Loans
Financing receivable, credit quality indicator
Current year	72,568	64,826
Prior year	66,800	40,190
Two years prior	22,339	17,635
Three years prior	14,925	4,395
Four years prior	773	2,254
Prior	13,355	11,974
Revolving	30,815	22,613
Total	221,575	163,887
Pass | Residential Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Current year	92,918	31,815
Prior year	27,336	71,489
Two years prior	59,483	110,724
Three years prior	99,049	114,991
Four years prior	109,931	81,482
Prior	107,162	39,868
Revolving	26,355	22,563
Total	522,234	472,932
Pass | Commercial | Commercial - Non-Real Estate
Financing receivable, credit quality indicator
Current year	9,952	13,622
Prior year	4,277	4,628
Two years prior	3,254	5,770
Three years prior	2,948	1,351
Four years prior	618	1,323
Prior	6,202	7,032
Revolving	21,632	14,010
Total	48,883	47,736
Pass | Consumer | Consumer - Non-Real Estate
Financing receivable, credit quality indicator
Current year	463	812
Prior year	529	72
Two years prior	36
Prior		3
Revolving	15	19
Total	1,043	906
Special Mention | Commercial Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Two years prior		12,702
Three years prior	12,672
Prior		14,788
Total	12,672	27,490
Special Mention | Construction and land development | Real Estate Loans
Financing receivable, credit quality indicator
Prior	1,084	1,101
Total	1,084	1,101
Special Mention | Commercial | Commercial - Non-Real Estate
Financing receivable, credit quality indicator
Three years prior	1,084
Total	1,084
Substandard | Commercial Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Three years prior		9,978
Total		$ 9,978
Substandard | Residential Real Estate | Real Estate Loans
Financing receivable, credit quality indicator
Prior	756
Total	$ 756