Loans and Allowance for Credit Losses - Schedule of Credit Quality (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	$ 82,142		$ 404,057
Year two	373,219		121,490
Year three	118,803		148,483
Year four	132,594		300,954
Year five	286,441		217,992
Prior	316,294		149,355
Revolving Loans Amortized Cost Basis	139,812		139,259
Revolving Loans Converted to Term Loans Amortized Cost Basis	4,866		5,202
Total	1,454,171		1,486,792
Current fiscal year, charge-offs	0		0
Fiscal year before current fiscal year, charge-offs	0		359
Two year before current fiscal year, charge-offs	0		182
Three year before current fiscal year, charge-offs	0		91
Four year before current fiscal year, charge-offs	0		0
Prior, charge-offs	93		435
Revolving loans amortized cost, charge-offs	0		521
Revolving loans converted to term loans amortized cost, charge-off	0		0
Total charge-offs	93	$ 142	1,588
Pass
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	81,312		394,055
Year two	365,072		99,367
Year three	97,098		144,513
Year four	128,733		282,581
Year five	268,538		216,747
Prior	313,410		146,899
Revolving Loans Amortized Cost Basis	138,596		136,801
Revolving Loans Converted to Term Loans Amortized Cost Basis	4,024		5,045
Total	1,396,783		1,426,008
Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	830		4,267
Year two	2,784		638
Year three	475		395
Year four	303		4,481
Year five	4,444		695
Prior	969		1,221
Revolving Loans Amortized Cost Basis	374		1,504
Revolving Loans Converted to Term Loans Amortized Cost Basis	842		157
Total	11,021		13,358
Special Mention
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		729
Year two	343		20,561
Year three	20,309		3,058
Year four	2,993		5,249
Year five	5,178		0
Prior	248		261
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	29,071		29,858
Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		5,006
Year two	5,020		924
Year three	921		517
Year four	565		8,643
Year five	8,281		550
Prior	1,667		974
Revolving Loans Amortized Cost Basis	842		954
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	17,296		17,568
Commercial, Financial, & Agricultural
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	8,200		66,880
Year two	62,730		12,226
Year three	11,088		12,389
Year four	11,153		20,779
Year five	18,876		20,403
Prior	44,387		24,820
Revolving Loans Amortized Cost Basis	65,349		68,808
Revolving Loans Converted to Term Loans Amortized Cost Basis	1,595		1,279
Total	223,378		227,584
Current fiscal year, charge-offs	0		0
Fiscal year before current fiscal year, charge-offs	0		307
Two year before current fiscal year, charge-offs	0		73
Three year before current fiscal year, charge-offs	0		78
Four year before current fiscal year, charge-offs	0		0
Prior, charge-offs	10		59
Revolving loans amortized cost, charge-offs	0		521
Revolving loans converted to term loans amortized cost, charge-off	0		0
Total charge-offs	10	13	1,038
Commercial, Financial, & Agricultural | Pass
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	8,200		65,367
Year two	61,867		11,383
Year three	10,408		9,223
Year four	8,089		17,270
Year five	15,506		19,867
Prior	43,438		24,386
Revolving Loans Amortized Cost Basis	64,594		66,741
Revolving Loans Converted to Term Loans Amortized Cost Basis	851		1,279
Total	212,953		215,516
Commercial, Financial, & Agricultural | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		581
Year two	304		164
Year three	2		93
Year four	56		8
Year five	7		0
Prior	146		148
Revolving Loans Amortized Cost Basis	343		1,473
Revolving Loans Converted to Term Loans Amortized Cost Basis	744		0
Total	1,602		2,467
Commercial, Financial, & Agricultural | Special Mention
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		729
Year two	342		0
Year three	0		3,058
Year four	2,993		317
Year five	313		0
Prior	248		261
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	3,896		4,365
Commercial, Financial, & Agricultural | Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		203
Year two	217		679
Year three	678		15
Year four	15		3,184
Year five	3,050		536
Prior	555		25
Revolving Loans Amortized Cost Basis	412		594
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	4,927		5,236
Real Estate Construction - Residential
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	3,901		30,523
Year two	29,462		4,066
Year three	3,552		4,969
Year four	4,953		0
Year five	0		0
Prior	0		0
Revolving Loans Amortized Cost Basis	619		51
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	42,487		39,609
Current fiscal year, charge-offs	0		0
Fiscal year before current fiscal year, charge-offs	0		0
Two year before current fiscal year, charge-offs	0		0
Three year before current fiscal year, charge-offs	0		0
Four year before current fiscal year, charge-offs	0		0
Prior, charge-offs	0		0
Revolving loans amortized cost, charge-offs	0		0
Revolving loans converted to term loans amortized cost, charge-off	0		0
Total charge-offs	0	0	0
Real Estate Construction - Residential | Pass
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	3,901		30,523
Year two	29,462		4,066
Year three	3,552		4,881
Year four	4,865		0
Year five	0		0
Prior	0		0
Revolving Loans Amortized Cost Basis	619		51
Revolving Loans Converted to Term Loans Amortized Cost Basis			0
Total	42,399		39,521
Real Estate Construction - Residential | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		0
Year two	0		0
Year three	0		88
Year four	88		0
Year five	0		0
Prior	0		0
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis			0
Total	88		88
Real Estate Construction - Commercial
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	4,801		44,781
Year two	38,646		17,905
Year three	21,832		8,737
Year four	6,380		3,234
Year five	2,857		2,757
Prior	3,399		687
Revolving Loans Amortized Cost Basis	4,666		4,660
Revolving Loans Converted to Term Loans Amortized Cost Basis	1,085		1,085
Total	83,666		83,846
Current fiscal year, charge-offs	0		0
Fiscal year before current fiscal year, charge-offs	0		0
Two year before current fiscal year, charge-offs	0		0
Three year before current fiscal year, charge-offs	0		0
Four year before current fiscal year, charge-offs	0		0
Prior, charge-offs	0		0
Revolving loans amortized cost, charge-offs	0		0
Revolving loans converted to term loans amortized cost, charge-off	0		0
Total charge-offs	0	0	0
Real Estate Construction - Commercial | Pass
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	4,742		44,693
Year two	38,617		17,876
Year three	21,804		8,737
Year four	6,380		3,226
Year five	2,850		2,757
Prior	3,399		687
Revolving Loans Amortized Cost Basis	4,666		4,660
Revolving Loans Converted to Term Loans Amortized Cost Basis	1,085		1,085
Total	83,543		83,721
Real Estate Construction - Commercial | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	59		59
Year two	0		29
Year three	28		0
Year four	0		8
Year five	7		0
Prior	0		0
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	94		96
Real Estate Construction - Commercial | Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		29
Year two	29		0
Year three	0		0
Year four	0		0
Year five	0		0
Prior	0		0
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	29		29
Real Estate Mortgage - Residential
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	9,718		67,697
Year two	68,017		21,280
Year three	19,830		37,475
Year four	35,607		100,300
Year five	96,205		43,115
Prior	85,788		49,426
Revolving Loans Amortized Cost Basis	51,360		49,147
Revolving Loans Converted to Term Loans Amortized Cost Basis	556		1,196
Total	367,081		369,636
Current fiscal year, charge-offs			0
Fiscal year before current fiscal year, charge-offs			0
Two year before current fiscal year, charge-offs			0
Three year before current fiscal year, charge-offs			0
Four year before current fiscal year, charge-offs			0
Prior, charge-offs			14
Revolving loans amortized cost, charge-offs			0
Revolving loans converted to term loans amortized cost, charge-off			0
Total charge-offs	0	6	14
Real Estate Mortgage - Residential | Pass
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	9,487		63,792
Year two	64,117		21,182
Year three	19,734		36,980
Year four	35,121		98,512
Year five	94,434		42,745
Prior	85,043		48,795
Revolving Loans Amortized Cost Basis	51,043		48,900
Revolving Loans Converted to Term Loans Amortized Cost Basis	458		1,039
Total	359,437		361,945
Real Estate Mortgage - Residential | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	231		442
Year two	437		0
Year three	0		0
Year four	0		487
Year five	498		370
Prior	571		442
Revolving Loans Amortized Cost Basis	31		31
Revolving Loans Converted to Term Loans Amortized Cost Basis	98		157
Total	1,866		1,929
Real Estate Mortgage - Residential | Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		3,463
Year two	3,463		98
Year three	96		495
Year four	486		1,301
Year five	1,273		0
Prior	174		189
Revolving Loans Amortized Cost Basis	286		216
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	5,778		5,762
Real Estate Mortgage - Commercial
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	54,640		191,480
Year two	172,011		64,950
Year three	61,637		83,142
Year four	73,116		175,000
Year five	167,163		151,336
Prior	180,228		71,817
Revolving Loans Amortized Cost Basis	17,759		16,525
Revolving Loans Converted to Term Loans Amortized Cost Basis	1,630		1,642
Total	728,184		755,892
Current fiscal year, charge-offs	0		0
Fiscal year before current fiscal year, charge-offs	0		49
Two year before current fiscal year, charge-offs	0		76
Three year before current fiscal year, charge-offs	0		0
Four year before current fiscal year, charge-offs	0		0
Prior, charge-offs	23		32
Revolving loans amortized cost, charge-offs	0		0
Revolving loans converted to term loans amortized cost, charge-off	0		0
Total charge-offs	23	33	157
Real Estate Mortgage - Commercial | Pass
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	54,100		186,984
Year two	168,656		43,797
Year three	40,736		82,928
Year four	72,910		161,945
Year five	154,421		151,011
Prior	179,052		70,426
Revolving Loans Amortized Cost Basis	17,615		16,381
Revolving Loans Converted to Term Loans Amortized Cost Basis	1,630		1,642
Total	689,120		715,114
Real Estate Mortgage - Commercial | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	540		3,185
Year two	2,043		445
Year three	445		214
Year four	159		3,978
Year five	3,932		325
Prior	252		631
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	7,371		8,778
Real Estate Mortgage - Commercial | Special Mention
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		0
Year two	1		20,561
Year three	20,309		0
Year four	0		4,932
Year five	4,865		0
Prior	0		0
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	25,175		25,493
Real Estate Mortgage - Commercial | Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		1,311
Year two	1,311		147
Year three	147		0
Year four	47		4,145
Year five	3,945		0
Prior	924		760
Revolving Loans Amortized Cost Basis	144		144
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	6,518		6,507
Installment and Other Consumer
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	882		2,696
Year two	2,353		1,063
Year three	864		1,771
Year four	1,385		1,641
Year five	1,340		381
Prior	2,492		2,605
Revolving Loans Amortized Cost Basis	59		68
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	9,375		10,225
Current fiscal year, charge-offs	0		0
Fiscal year before current fiscal year, charge-offs	0		3
Two year before current fiscal year, charge-offs	0		33
Three year before current fiscal year, charge-offs	0		13
Four year before current fiscal year, charge-offs	0		0
Prior, charge-offs	60		330
Revolving loans amortized cost, charge-offs	0		0
Revolving loans converted to term loans amortized cost, charge-off	0		0
Total charge-offs	60	$ 90	379
Installment and Other Consumer | Pass
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	882		2,696
Year two	2,353		1,063
Year three	864		1,764
Year four	1,368		1,628
Year five	1,327		367
Prior	2,478		2,605
Revolving Loans Amortized Cost Basis	59		68
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	9,331		10,191
Installment and Other Consumer | Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		0
Year two	0		0
Year three	0		7
Year four	17		13
Year five	13		14
Prior	14		0
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	$ 44		$ 34