Loans and Allowance for Credit Losses - Schedule of Credit Quality (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	$ 85,747		$ 214,663
Year two	191,224		210,937
Year three	199,192		389,320
Year four	378,847		287,127
Year five	259,167		140,045
Prior	219,553		89,649
Revolving Loans Amortized Cost Basis	131,135		130,191
Revolving Loans Converted to Term Loans Amortized Cost Basis	5,458		4,228
Total	1,470,323		1,466,160
Current fiscal year, charge-offs	0		10
Fiscal year before current fiscal year, charge-offs	0		581
Two year before current fiscal year, charge-offs	18		9
Three year before current fiscal year, charge-offs	0		172
Four year before current fiscal year, charge-offs	0		3
Prior, charge-offs	124		382
Revolving loans, charge-offs	0		1,834
Revolving, converted to term loan, charge-offs	0		0
Total charge-offs	142	$ 124	2,991
Pass
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	81,491		177,677
Year two	156,997		210,451
Year three	198,473		373,267
Year four	360,549		284,058
Year five	257,372		139,276
Prior	216,775		88,093
Revolving Loans Amortized Cost Basis	129,318		128,312
Revolving Loans Converted to Term Loans Amortized Cost Basis	4,473		3,244
Total	1,405,448		1,404,378
Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	4,107		8,911
Year two	6,276		295
Year three	521		6,289
Year four	4,700		2,352
Year five	1,096		423
Prior	1,314		1,121
Revolving Loans Amortized Cost Basis	751		534
Revolving Loans Converted to Term Loans Amortized Cost Basis	582		581
Total	19,347		20,506
Special Mention
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		27,271
Year two	27,211		0
Year three	0		5,679
Year four	5,609		0
Year five	0		309
Prior	297		0
Revolving Loans Amortized Cost Basis	468		741
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	33,585		34,000
Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	59		0
Year two	0		29
Year three	29		3,581
Year four	7,503		628
Year five	610		0
Prior	895		98
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	403		403
Total	9,499		4,739
Doubtful
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		0
Year four	0		0
Year five	0		0
Prior	9		0
Revolving Loans Amortized Cost Basis	0		79
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	9		79
Non-accrual loans
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	90		804
Year two	740		162
Year three	169		504
Year four	486		89
Year five	89		37
Prior	263		337
Revolving Loans Amortized Cost Basis	598		525
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	2,435		2,458
Commercial, Financial, and Agricultural
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	8,718		23,012
Year two	18,819		21,509
Year three	18,336		34,926
Year four	32,946		25,966
Year five	24,281		26,903
Prior	30,859		4,194
Revolving Loans Amortized Cost Basis	66,095		63,885
Revolving Loans Converted to Term Loans Amortized Cost Basis	2,351		1,934
Total	202,405		202,329
Current fiscal year, charge-offs	0		0
Fiscal year before current fiscal year, charge-offs	0		230
Two year before current fiscal year, charge-offs	0		0
Three year before current fiscal year, charge-offs	0		104
Four year before current fiscal year, charge-offs	0		2
Prior, charge-offs	13		106
Revolving loans, charge-offs	0		1,796
Revolving, converted to term loan, charge-offs	0		0
Total charge-offs	13	30	2,238
Commercial, Financial, and Agricultural | Pass
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	8,661		22,726
Year two	18,423		21,302
Year three	18,139		30,025
Year four	27,907		25,338
Year five	23,671		26,557
Prior	30,268		3,932
Revolving Loans Amortized Cost Basis	64,472		62,205
Revolving Loans Converted to Term Loans Amortized Cost Basis	1,948		1,531
Total	193,489		193,616
Commercial, Financial, and Agricultural | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	57		0
Year two	110		120
Year three	110		1,473
Year four	1,693		0
Year five	0		0
Prior	257		262
Revolving Loans Amortized Cost Basis	720		504
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	2,947		2,359
Commercial, Financial, and Agricultural | Special Mention
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		0
Year four	0		0
Year five	0		309
Prior	297		0
Revolving Loans Amortized Cost Basis	468		741
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	765		1,050
Commercial, Financial, and Agricultural | 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		3,350
Year four	3,268		628
Year five	610		0
Prior	0		0
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	403		403
Total	4,281		4,381
Commercial, Financial, and Agricultural | Doubtful
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one			0
Year two			0
Year three			0
Year four			0
Year five			0
Prior			0
Revolving Loans Amortized Cost Basis			79
Revolving Loans Converted to Term Loans Amortized Cost Basis			0
Total			79
Commercial, Financial, and Agricultural | Non-accrual loans
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		286
Year two	286		87
Year three	87		78
Year four	78		0
Year five	0		37
Prior	37		0
Revolving Loans Amortized Cost Basis	435		356
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	923		844
Real Estate Construction - Residential
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	1,952		16,822
Year two	14,889		13,808
Year three	12,438		601
Year four	595		617
Year five	611		165
Prior	162		0
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	23		33
Total	30,670		32,046
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, charge-offs	0		0
Revolving, converted to term loan, charge-offs	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	1,952		16,368
Year two	14,435		13,808
Year three	12,438		601
Year four	595		617
Year five	611		165
Prior	162		0
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	23		33
Total	30,216		31,592
Real Estate Construction - Residential | Non-accrual loans
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		454
Year two	454		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	454		454
Real Estate Construction - Commercial
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	5,702		50,653
Year two	39,052		7,210
Year three	8,128		10,437
Year four	11,208		3,828
Year five	3,372		622
Prior	1,194		613
Revolving Loans Amortized Cost Basis	6,397		7,072
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	75,053		80,435
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, charge-offs	0		0
Revolving, converted to term loan, charge-offs	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	5,702		49,742
Year two	38,134		7,057
Year three	7,975		10,424
Year four	11,196		3,828
Year five	3,372		622
Prior	1,150		564
Revolving Loans Amortized Cost Basis	6,397		7,072
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	73,926		79,309
Real Estate Construction - Commercial | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		911
Year two	918		124
Year three	124		13
Year four	12		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	1,054		1,048
Real Estate Construction - Commercial | Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		0
Year two	0		29
Year three	29		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 Construction - Commercial | Non-accrual loans
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		0
Year four	0		0
Year five	0		0
Prior	44		49
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	44		49
Real Estate Mortgage - Residential
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	30,054		35,707
Year two	30,185		46,795
Year three	45,534		116,394
Year four	112,252		49,999
Year five	47,994		42,459
Prior	62,706		24,491
Revolving Loans Amortized Cost Basis	44,885		44,347
Revolving Loans Converted to Term Loans Amortized Cost Basis	2,416		1,543
Total	376,026		361,735
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	6		14
Revolving loans, charge-offs	0		37
Revolving, converted to term loan, charge-offs	0		0
Total charge-offs	6	1	51
Real Estate Mortgage - Residential | Pass
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	25,855		30,005
Year two	28,756		46,795
Year three	45,534		115,928
Year four	111,918		49,519
Year five	47,519		42,036
Prior	61,554		23,440
Revolving Loans Amortized Cost Basis	44,691		44,148
Revolving Loans Converted to Term Loans Amortized Cost Basis	2,416		1,543
Total	368,243		353,414
Real Estate Mortgage - Residential | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	4,050		5,702
Year two	1,429		0
Year three	0		40
Year four	0		391
Year five	386		423
Prior	876		675
Revolving Loans Amortized Cost Basis	31		30
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	6,772		7,261
Real Estate Mortgage - Residential | Substandard
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	59		0
Year two	0		0
Year three	0		0
Year four	0		0
Year five	0		0
Prior	93		98
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	152		98
Real Estate Mortgage - Residential | Doubtful
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0
Year two	0
Year three	0
Year four	0
Year five	0
Prior	9
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0
Total	9
Real Estate Mortgage - Residential | Non-accrual loans
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	90		0
Year two	0		0
Year three	0		426
Year four	334		89
Year five	89		0
Prior	174		278
Revolving Loans Amortized Cost Basis	163		169
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	850		962
Real Estate Mortgage - Commercial
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	38,677		86,281
Year two	86,427		117,979
Year three	111,644		223,371
Year four	218,775		205,552
Year five	181,970		69,342
Prior	121,773		57,536
Revolving Loans Amortized Cost Basis	13,688		14,815
Revolving Loans Converted to Term Loans Amortized Cost Basis	668		718
Total	773,622		775,594
Current fiscal year, charge-offs	0		0
Fiscal year before current fiscal year, charge-offs	0		340
Two year before current fiscal year, charge-offs	12		0
Three year before current fiscal year, charge-offs	0		65
Four year before current fiscal year, charge-offs	0		0
Prior, charge-offs	21		32
Revolving loans, charge-offs	0		0
Revolving, converted to term loan, charge-offs	0		0
Total charge-offs	33	23	437
Real Estate Mortgage - Commercial | Pass
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	38,677		56,648
Year two	55,397		117,853
Year three	111,293		212,698
Year four	205,864		203,591
Year five	181,260		69,342
Prior	120,790		57,352
Revolving Loans Amortized Cost Basis	13,688		14,815
Revolving Loans Converted to Term Loans Amortized Cost Basis	86		137
Total	727,055		732,436
Real Estate Mortgage - Commercial | Watch
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		2,298
Year two	3,819		51
Year three	287		4,763
Year four	2,995		1,961
Year five	710		0
Prior	181		184
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	582		581
Total	8,574		9,838
Real Estate Mortgage - Commercial | Special Mention
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		27,271
Year two	27,211		0
Year three	0		5,679
Year four	5,609		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	32,820		32,950
Real Estate Mortgage - Commercial | 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		231
Year four	4,235		0
Year five	0		0
Prior	802		0
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	5,037		231
Real Estate Mortgage - Commercial | Non-accrual loans
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	0		64
Year two	0		75
Year three	64		0
Year four	72		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	136		139
Installment and other consumer
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	644		2,188
Year two	1,852		3,636
Year three	3,112		3,591
Year four	3,071		1,165
Year five	939		554
Prior	2,859		2,815
Revolving Loans Amortized Cost Basis	70		72
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	12,547		14,021
Current fiscal year, charge-offs	0		10
Fiscal year before current fiscal year, charge-offs	0		11
Two year before current fiscal year, charge-offs	6		9
Three year before current fiscal year, charge-offs	0		3
Four year before current fiscal year, charge-offs	0		1
Prior, charge-offs	84		230
Revolving loans, charge-offs	0		1
Revolving, converted to term loan, charge-offs	0		0
Total charge-offs	90	$ 70	265
Installment and other consumer | Pass
Credit quality of the loan portfolio using internal rating system reflecting management's risk assessment
Year one	644		2,188
Year two	1,852		3,636
Year three	3,094		3,591
Year four	3,069		1,165
Year five	939		554
Prior	2,851		2,805
Revolving Loans Amortized Cost Basis	70		72
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	12,519		14,011
Installment and other consumer | Non-accrual loans
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	18		0
Year four	2		0
Year five	0		0
Prior	8		10
Revolving Loans Amortized Cost Basis	0		0
Revolving Loans Converted to Term Loans Amortized Cost Basis	0		0
Total	$ 28		$ 10