Loans - Loan Portfolio by Credit Quality Indicators (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 1,354,032	$ 1,337,977
Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	973,906	952,838
Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	207,686	212,527
Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	154,238	154,048
Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
Loans	18,202	18,564
Construction, land and land development
Loans and Leases Receivable Disclosure [Line Items]
Loans	170,911	165,446
Construction, land and land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	170,911	165,446
Other commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	802,995	787,392
Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	802,995	787,392
Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,093,513	1,004,204
Legacy Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	801,137	715,692
Legacy Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	149,215	159,469
Legacy Loans | Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	126,373	113,040
Legacy Loans | Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
Loans	16,788	16,003
Legacy Loans | Construction, land and land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	147,306	119,953
Legacy Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	653,831	595,739
Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	260,519	333,773
Purchased Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	172,769	237,146
Purchased Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	58,471	53,058
Purchased Loans | Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	27,865	41,008
Purchased Loans | Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,414	2,561
Purchased Loans | Construction, land and land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	23,605	45,493
Purchased Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	149,164	191,653
Pass | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,045,634	953,833
Pass | Legacy Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	766,759	679,272
Pass | Legacy Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	138,027	148,507
Pass | Legacy Loans | Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	124,178	110,267
Pass | Legacy Loans | Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
Loans	16,670	15,787
Pass | Legacy Loans | Construction, land and land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	144,522	117,044
Pass | Legacy Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	622,237	562,228
Pass | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	255,539	325,481
Pass | Purchased Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	171,476	232,337
Pass | Purchased Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	55,412	49,875
Pass | Purchased Loans | Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	27,241	40,711
Pass | Purchased Loans | Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,410	2,558
Pass | Purchased Loans | Construction, land and land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	23,577	45,432
Pass | Purchased Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	147,899	186,905
Special Mention | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	33,310	35,651
Special Mention | Legacy Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	26,263	28,352
Special Mention | Legacy Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	5,803	5,733
Special Mention | Legacy Loans | Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,174	1,488
Special Mention | Legacy Loans | Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
Loans	70	78
Special Mention | Legacy Loans | Construction, land and land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	2,529	2,634
Special Mention | Legacy Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	23,734	25,718
Special Mention | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,243	4,084
Special Mention | Purchased Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	184	3,518
Special Mention | Purchased Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	686	563
Special Mention | Purchased Loans | Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	373	0
Special Mention | Purchased Loans | Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
Loans	0	3
Special Mention | Purchased Loans | Construction, land and land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	0	0
Special Mention | Purchased Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	184	3,518
Substandard | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	14,569	14,720
Substandard | Legacy Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	8,115	8,068
Substandard | Legacy Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	5,385	5,229
Substandard | Legacy Loans | Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,021	1,285
Substandard | Legacy Loans | Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
Loans	48	138
Substandard | Legacy Loans | Construction, land and land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	255	275
Substandard | Legacy Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	7,860	7,793
Substandard | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	3,737	4,208
Substandard | Purchased Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,109	1,291
Substandard | Purchased Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	2,373	2,620
Substandard | Purchased Loans | Commercial, financial & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	251	297
Substandard | Purchased Loans | Consumer and other
Loans and Leases Receivable Disclosure [Line Items]
Loans	4	0
Substandard | Purchased Loans | Construction, land and land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	28	61
Substandard | Purchased Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 1,081	$ 1,230