Loans - Loan Portfolio by Credit Quality Indicators (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Loans and Leases Receivable Disclosure [Line Items]
2023	$ 308,855
2023, current period gross write-offs	0
2022	636,381
2022, current period gross write-offs	705
2021	322,316
2021, current period gross write-offs	404
2020	142,313
2020, current period gross write-offs	4
2019	106,147
2019, current period gross write-offs	0
Prior	239,726
Prior, current period gross write-offs	61
Revolvers	107,780
Revolvers, current period gross write-offs	0
Revolvers converted to term loans	1,453
Revolvers converted to term loans, current period gross write-offs	0
Loans	1,864,971	$ 1,737,106
Loans, current period gross write-offs	1,174
Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,864,971	1,737,106
Construction, land & land development
Loans and Leases Receivable Disclosure [Line Items]
Loans		229,435
Other commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans		975,447
Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,214,436	1,204,882
Commercial real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,214,436	1,204,882
Commercial real estate | Construction, land & land development
Loans and Leases Receivable Disclosure [Line Items]
2023	93,480
2023, current period gross write-offs	0
2022	106,344
2022, current period gross write-offs	0
2021	27,759
2021, current period gross write-offs	0
2020	7,808
2020, current period gross write-offs	0
2019	1,052
2019, current period gross write-offs	0
Prior	6,134
Prior, current period gross write-offs	0
Revolvers	2,660
Revolvers, current period gross write-offs	0
Revolvers converted to term loans	31
Revolvers converted to term loans, current period gross write-offs	0
Loans	245,268	229,435
Loans, current period gross write-offs	0
Commercial real estate | Construction, land & land development | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	245,268	229,435
Commercial real estate | Other commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
2023	40,254
2023, current period gross write-offs	0
2022	346,079
2022, current period gross write-offs	0
2021	209,150
2021, current period gross write-offs	0
2020	94,821
2020, current period gross write-offs	0
2019	88,633
2019, current period gross write-offs	0
Prior	163,256
Prior, current period gross write-offs	0
Revolvers	25,896
Revolvers, current period gross write-offs	0
Revolvers converted to term loans	1,079
Revolvers converted to term loans, current period gross write-offs	0
Loans	969,168	975,447
Loans, current period gross write-offs	0
Commercial real estate | Other commercial real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	969,168	975,447
Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
2023	56,417
2023, current period gross write-offs	0
2022	121,375
2022, current period gross write-offs	0
2021	53,033
2021, current period gross write-offs	0
2020	23,355
2020, current period gross write-offs	0
2019	9,940
2019, current period gross write-offs	0
Prior	54,464
Prior, current period gross write-offs	0
Revolvers	20,917
Revolvers, current period gross write-offs	0
Revolvers converted to term loans	0
Revolvers converted to term loans, current period gross write-offs	0
Loans	339,501	290,054
Loans, current period gross write-offs	0
Residential real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	339,501	290,054
Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
2023	71,488
2023, current period gross write-offs	0
2022	57,934
2022, current period gross write-offs	692
2021	29,946
2021, current period gross write-offs	404
2020	14,827
2020, current period gross write-offs	0
2019	5,470
2019, current period gross write-offs	0
Prior	14,854
Prior, current period gross write-offs	61
Revolvers	57,863
Revolvers, current period gross write-offs	0
Revolvers converted to term loans	343
Revolvers converted to term loans, current period gross write-offs	0
Loans	252,725	223,923
Loans, current period gross write-offs	1,157
Commercial, financial & agricultural | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	252,725	223,923
Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
2023	47,216
2023, current period gross write-offs	0
2022	4,649
2022, current period gross write-offs	12
2021	2,426
2021, current period gross write-offs	1
2020	1,504
2020, current period gross write-offs	4
2019	1,053
2019, current period gross write-offs	0
Prior	1,016
Prior, current period gross write-offs	0
Revolvers	445
Revolvers, current period gross write-offs	0
Revolvers converted to term loans	0
Revolvers converted to term loans, current period gross write-offs	0
Loans	58,309	18,247
Loans, current period gross write-offs	17
Consumer and other | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	58,309	18,247
Pass
Loans and Leases Receivable Disclosure [Line Items]
2023	299,527
2022	627,968
2021	316,516
2020	139,324
2019	100,653
Prior	222,484
Revolvers	106,330
Revolvers converted to term loans	1,428
Loans	1,814,230
Pass | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		1,696,615
Pass | Commercial real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		1,179,620
Pass | Commercial real estate | Construction, land & land development
Loans and Leases Receivable Disclosure [Line Items]
2023	93,480
2022	105,461
2021	27,729
2020	7,808
2019	1,031
Prior	5,955
Revolvers	2,535
Revolvers converted to term loans	31
Loans	244,030
Pass | Commercial real estate | Construction, land & land development | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		228,494
Pass | Commercial real estate | Other commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
2023	40,254
2022	340,854
2021	208,444
2020	92,693
2019	84,083
Prior	155,802
Revolvers	25,603
Revolvers converted to term loans	1,079
Loans	948,812
Pass | Commercial real estate | Other commercial real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		951,126
Pass | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
2023	55,868
2022	119,728
2021	52,516
2020	23,033
2019	9,108
Prior	45,226
Revolvers	20,809
Revolvers converted to term loans	0
Loans	326,288
Pass | Residential real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		277,930
Pass | Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
2023	62,802
2022	57,302
2021	25,445
2020	14,308
2019	5,415
Prior	14,495
Revolvers	56,939
Revolvers converted to term loans	318
Loans	237,024
Pass | Commercial, financial & agricultural | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		220,908
Pass | Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
2023	47,123
2022	4,622
2021	2,381
2020	1,483
2019	1,017
Prior	1,004
Revolvers	445
Revolvers converted to term loans	0
Loans	58,075
Pass | Consumer and other | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		18,157
Special Mention
Loans and Leases Receivable Disclosure [Line Items]
2023	8,844
2022	2,158
2021	1,108
2020	2,583
2019	5,161
Prior	9,224
Revolvers	959
Revolvers converted to term loans	0
Loans	30,037
Special Mention | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		25,365
Special Mention | Commercial real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		17,852
Special Mention | Commercial real estate | Construction, land & land development
Loans and Leases Receivable Disclosure [Line Items]
2023	0
2022	0
2021	25
2020	0
2019	0
Prior	33
Revolvers	0
Revolvers converted to term loans	0
Loans	58
Special Mention | Commercial real estate | Construction, land & land development | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		290
Special Mention | Commercial real estate | Other commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
2023	0
2022	802
2021	419
2020	2,128
2019	4,550
Prior	4,696
Revolvers	35
Revolvers converted to term loans	0
Loans	12,630
Special Mention | Commercial real estate | Other commercial real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		17,562
Special Mention | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
2023	296
2022	809
2021	309
2020	51
2019	555
Prior	4,461
Revolvers	98
Revolvers converted to term loans	0
Loans	6,579
Special Mention | Residential real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		6,574
Special Mention | Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
2023	8,471
2022	544
2021	311
2020	390
2019	25
Prior	33
Revolvers	826
Revolvers converted to term loans	0
Loans	10,600
Special Mention | Commercial, financial & agricultural | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		885
Special Mention | Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
2023	77
2022	4
2021	43
2020	14
2019	31
Prior	2
Revolvers	0
Revolvers converted to term loans	0
Loans	171
Special Mention | Consumer and other | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		54
Substandard
Loans and Leases Receivable Disclosure [Line Items]
2023	484
2022	6,255
2021	4,692
2020	406
2019	333
Prior	8,018
Revolvers	491
Revolvers converted to term loans	25
Loans	20,704
Substandard | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		15,126
Substandard | Commercial real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		7,410
Substandard | Commercial real estate | Construction, land & land development
Loans and Leases Receivable Disclosure [Line Items]
2023	0
2022	883
2021	5
2020	0
2019	21
Prior	146
Revolvers	125
Revolvers converted to term loans	0
Loans	1,180
Substandard | Commercial real estate | Construction, land & land development | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		651
Substandard | Commercial real estate | Other commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
2023	0
2022	4,423
2021	287
2020	0
2019	0
Prior	2,758
Revolvers	258
Revolvers converted to term loans	0
Loans	7,726
Substandard | Commercial real estate | Other commercial real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		6,759
Substandard | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
2023	253
2022	838
2021	208
2020	271
2019	277
Prior	4,777
Revolvers	10
Revolvers converted to term loans	0
Loans	6,634
Substandard | Residential real estate | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		5,550
Substandard | Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
2023	215
2022	88
2021	4,190
2020	129
2019	30
Prior	326
Revolvers	98
Revolvers converted to term loans	25
Loans	5,101
Substandard | Commercial, financial & agricultural | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		2,130
Substandard | Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
2023	16
2022	23
2021	2
2020	7
2019	5
Prior	10
Revolvers	0
Revolvers converted to term loans	0
Loans	$ 63
Substandard | Consumer and other | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans		$ 36