Loans - Loan Portfolio by Credit Quality Indicator (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 1,337,977	$ 1,059,503
Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	952,838	641,484
Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	212,527	183,021
Commercial, financial, & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	154,048	213,380
Consumer & other
Loans and Leases Receivable Disclosure [Line Items]
Loans	18,564	21,618
Construction, land & land development
Loans and Leases Receivable Disclosure [Line Items]
Loans	165,446	121,093
Construction, land & land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	165,446	121,093
Other commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	787,392	520,391
Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	787,392	520,391
Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,004,204	974,573
Legacy Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	715,692	587,022
Legacy Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	159,469	167,714
Legacy Loans | Commercial, financial, & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	113,040	200,800
Legacy Loans | Consumer & other
Loans and Leases Receivable Disclosure [Line Items]
Loans	16,003	19,037
Legacy Loans | Construction, land & land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	119,953	109,577
Legacy Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	595,739	477,445
Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	333,773	84,930
Purchased Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	237,146	54,462
Purchased Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	53,058	15,307
Purchased Loans | Commercial, financial, & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	41,008	12,580
Purchased Loans | Consumer & other
Loans and Leases Receivable Disclosure [Line Items]
Loans	2,561	2,581
Purchased Loans | Construction, land & land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	45,493	11,516
Purchased Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	191,653	42,946
Pass | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	908,327	903,355
Pass | Legacy Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	643,751	529,945
Pass | Legacy Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	148,507	157,927
Pass | Legacy Loans | Commercial, financial, & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	100,282	196,749
Pass | Legacy Loans | Consumer & other
Loans and Leases Receivable Disclosure [Line Items]
Loans	15,787	18,734
Pass | Legacy Loans | Construction, land & land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	116,524	99,430
Pass | Legacy Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	527,227	430,515
Pass | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	325,481	79,571
Pass | Purchased Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	232,337	52,100
Pass | Purchased Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	49,875	14,909
Pass | Purchased Loans | Commercial, financial, & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	40,711	10,198
Pass | Purchased Loans | Consumer & other
Loans and Leases Receivable Disclosure [Line Items]
Loans	2,558	2,364
Pass | Purchased Loans | Construction, land & land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	45,432	11,275
Pass | Purchased Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	186,905	40,825
Special Mention | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	81,144	43,368
Special Mention | Legacy Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	63,873	36,519
Special Mention | Legacy Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	5,733	3,855
Special Mention | Legacy Loans | Commercial, financial, & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	11,460	2,870
Special Mention | Legacy Loans | Consumer & other
Loans and Leases Receivable Disclosure [Line Items]
Loans	78	124
Special Mention | Legacy Loans | Construction, land & land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	3,154	2,940
Special Mention | Legacy Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	60,719	33,579
Special Mention | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	4,084	2,434
Special Mention | Purchased Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	3,518	294
Special Mention | Purchased Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	563	312
Special Mention | Purchased Loans | Commercial, financial, & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	0	1,803
Special Mention | Purchased Loans | Consumer & other
Loans and Leases Receivable Disclosure [Line Items]
Loans	3	25
Special Mention | Purchased Loans | Construction, land & land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	0	241
Special Mention | Purchased Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	3,518	53
Substandard | Legacy Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	14,733	27,850
Substandard | Legacy Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	8,068	20,558
Substandard | Legacy Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	5,229	5,932
Substandard | Legacy Loans | Commercial, financial, & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,298	1,181
Substandard | Legacy Loans | Consumer & other
Loans and Leases Receivable Disclosure [Line Items]
Loans	138	179
Substandard | Legacy Loans | Construction, land & land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	275	7,207
Substandard | Legacy Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	7,793	13,351
Substandard | Purchased Loans
Loans and Leases Receivable Disclosure [Line Items]
Loans	4,208	2,925
Substandard | Purchased Loans | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	1,291	2,068
Substandard | Purchased Loans | Residential real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	2,620	86
Substandard | Purchased Loans | Commercial, financial, & agricultural
Loans and Leases Receivable Disclosure [Line Items]
Loans	297	579
Substandard | Purchased Loans | Consumer & other
Loans and Leases Receivable Disclosure [Line Items]
Loans	0	192
Substandard | Purchased Loans | Construction, land & land development | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	61	0
Substandard | Purchased Loans | Other commercial real estate | Commercial real estate
Loans and Leases Receivable Disclosure [Line Items]
Loans	$ 1,230	$ 2,068