Loans - Age Analysis of Past Due Loans and Nonaccrual (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Loans	$ 1,337,977	$ 1,059,503
Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	1,004,204	974,573
Nonaccrual Loans	3,952	6,610
Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	333,773	84,930
Nonaccrual Loans	1,497	2,518
30-89 Days Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	938	2,408
30-89 Days Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	3,629	684
90 Days or More Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
90 Days or More Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Total Accruing Loans Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	938	2,408
Total Accruing Loans Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	3,629	684
Current Loans | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	999,314	965,555
Current Loans | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	328,647	81,728
Construction, land & land development
Financing Receivable, Past Due [Line Items]
Loans	165,446	121,093
Other commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	787,392	520,391
Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	952,838	641,484
Commercial real estate | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	715,692	587,022
Nonaccrual Loans	577	2,625
Commercial real estate | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	237,146	54,462
Nonaccrual Loans	291	2,185
Commercial real estate | 30-89 Days Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	355	1,543
Commercial real estate | 30-89 Days Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	2,680	544
Commercial real estate | 90 Days or More Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | 90 Days or More Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Total Accruing Loans Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	355	1,543
Commercial real estate | Total Accruing Loans Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	2,680	544
Commercial real estate | Current Loans | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	714,760	582,854
Commercial real estate | Current Loans | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	234,175	51,733
Commercial real estate | Construction, land & land development
Financing Receivable, Past Due [Line Items]
Loans	165,446	121,093
Commercial real estate | Construction, land & land development | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	119,953	109,577
Nonaccrual Loans	0	80
Commercial real estate | Construction, land & land development | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	45,493	11,516
Nonaccrual Loans	31	117
Commercial real estate | Construction, land & land development | 30-89 Days Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	6	1,314
Commercial real estate | Construction, land & land development | 30-89 Days Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	2,680	0
Commercial real estate | Construction, land & land development | 90 Days or More Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Construction, land & land development | 90 Days or More Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Construction, land & land development | Total Accruing Loans Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	6	1,314
Commercial real estate | Construction, land & land development | Total Accruing Loans Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	2,680	0
Commercial real estate | Construction, land & land development | Current Loans | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	119,947	108,183
Commercial real estate | Construction, land & land development | Current Loans | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	42,782	11,399
Commercial real estate | Other commercial real estate
Financing Receivable, Past Due [Line Items]
Loans	787,392	520,391
Commercial real estate | Other commercial real estate | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	595,739	477,445
Nonaccrual Loans	577	2,545
Commercial real estate | Other commercial real estate | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	191,653	42,946
Nonaccrual Loans	260	2,068
Commercial real estate | Other commercial real estate | 30-89 Days Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	349	229
Commercial real estate | Other commercial real estate | 30-89 Days Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	544
Commercial real estate | Other commercial real estate | 90 Days or More Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Other commercial real estate | 90 Days or More Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate | Other commercial real estate | Total Accruing Loans Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	349	229
Commercial real estate | Other commercial real estate | Total Accruing Loans Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	544
Commercial real estate | Other commercial real estate | Current Loans | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	594,813	474,671
Commercial real estate | Other commercial real estate | Current Loans | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	191,393	40,334
Residential real estate
Financing Receivable, Past Due [Line Items]
Loans	212,527	183,021
Residential real estate | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	159,469	167,714
Nonaccrual Loans	2,641	2,873
Residential real estate | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	53,058	15,307
Nonaccrual Loans	1,198	85
Residential real estate | 30-89 Days Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	421	667
Residential real estate | 30-89 Days Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	560	15
Residential real estate | 90 Days or More Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | 90 Days or More Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | Total Accruing Loans Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	421	667
Residential real estate | Total Accruing Loans Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	560	15
Residential real estate | Current Loans | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	156,407	164,174
Residential real estate | Current Loans | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	51,300	15,207
Commercial, financial, & agricultural
Financing Receivable, Past Due [Line Items]
Loans	154,048	213,380
Commercial, financial, & agricultural | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	113,040	200,800
Nonaccrual Loans	708	1,010
Commercial, financial, & agricultural | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	41,008	12,580
Nonaccrual Loans	0	55
Commercial, financial, & agricultural | 30-89 Days Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	69	150
Commercial, financial, & agricultural | 30-89 Days Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	389	125
Commercial, financial, & agricultural | 90 Days or More Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial, financial, & agricultural | 90 Days or More Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial, financial, & agricultural | Total Accruing Loans Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	69	150
Commercial, financial, & agricultural | Total Accruing Loans Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	389	125
Commercial, financial, & agricultural | Current Loans | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	112,263	199,640
Commercial, financial, & agricultural | Current Loans | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	40,619	12,400
Consumer & other
Financing Receivable, Past Due [Line Items]
Loans	18,564	21,618
Consumer & other | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	16,003	19,037
Nonaccrual Loans	26	102
Consumer & other | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	2,561	2,581
Nonaccrual Loans	8	193
Consumer & other | 30-89 Days Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	93	48
Consumer & other | 30-89 Days Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer & other | 90 Days or More Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer & other | 90 Days or More Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer & other | Total Accruing Loans Past Due | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	93	48
Consumer & other | Total Accruing Loans Past Due | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer & other | Current Loans | Legacy Loans
Financing Receivable, Past Due [Line Items]
Loans	15,884	18,887
Consumer & other | Current Loans | Purchased Loans
Financing Receivable, Past Due [Line Items]
Loans	$ 2,553	$ 2,388