Loans - Past Due Financing Receivables (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Loans	$ 5,925,029	$ 5,735,349
Nonaccrual	30,598	36,110
Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	868,418	925,434
Nonaccrual	3,454	7,690
PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	126,939	98,178
Nonaccrual	11,322	10,150
Current
Financing Receivable, Past Due [Line Items]
Loans	5,888,713	5,689,158
Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	864,410	915,799
Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	115,617	87,903
Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	5,190	6,382
Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	317	1,841
Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	125
Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	407	3,636
Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	200	104
Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	121	63
Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	37	0
Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Construction and land development
Financing Receivable, Past Due [Line Items]
Loans	230,824	245,108
Nonaccrual	259	167
Construction and land development | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	31,438	26,250
Nonaccrual	0	0
Construction and land development | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	45	2,438
Nonaccrual	5	9
Construction and land development | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	31,438	26,250
Construction and land development | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	40	2,429
Construction and land development | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Construction and land development | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Construction and land development | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Construction and land development | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Construction and land development | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Construction and land development | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - owner occupied
Financing Receivable, Past Due [Line Items]
Loans	1,197,774	1,141,310
Nonaccrual	3,966	8,181
Commercial real estate - owner occupied | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	186,812	247,090
Nonaccrual	0	2,604
Commercial real estate - owner occupied | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	27,445	39,451
Nonaccrual	3,253	3,106
Commercial real estate - owner occupied | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	186,652	244,486
Commercial real estate - owner occupied | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	24,192	36,345
Commercial real estate - owner occupied | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - owner occupied | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - owner occupied | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	160	0
Commercial real estate - owner occupied | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - owner occupied | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - owner occupied | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied
Financing Receivable, Past Due [Line Items]
Loans	1,736,439	1,395,854
Nonaccrual	5,905	8,084
Commercial real estate - non-owner occupied | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	382,554	323,273
Nonaccrual	1,044	1,009
Commercial real estate - non-owner occupied | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	75,705	29,122
Nonaccrual	3,263	4,922
Commercial real estate - non-owner occupied | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	381,510	322,264
Commercial real estate - non-owner occupied | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	72,442	24,200
Commercial real estate - non-owner occupied | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial real estate - non-owner occupied | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate
Financing Receivable, Past Due [Line Items]
Loans	1,425,354	1,342,628
Nonaccrual	13,045	12,492
Residential real estate | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	156,957	176,105
Nonaccrual	1,794	2,889
Residential real estate | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	7,091	10,609
Nonaccrual	1,705	1,072
Residential real estate | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	154,981	171,507
Residential real estate | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	5,386	9,537
Residential real estate | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	182	1,605
Residential real estate | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	104
Residential real estate | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Residential real estate | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial and financial
Financing Receivable, Past Due [Line Items]
Loans	1,069,356	854,753
Nonaccrual	6,869	6,604
Commercial and financial | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	84,395	94,627
Nonaccrual	175	1,188
Commercial and financial | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	16,643	16,280
Nonaccrual	3,096	1,034
Commercial and financial | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	84,180	93,223
Commercial and financial | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	13,547	15,121
Commercial and financial | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	216
Commercial and financial | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	125
Commercial and financial | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	40	0
Commercial and financial | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial and financial | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial and financial | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer
Financing Receivable, Past Due [Line Items]
Loans	174,175	188,735
Nonaccrual	554	582
Consumer | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	4,658	6,660
Nonaccrual	441	0
Consumer | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	10	278
Nonaccrual	0	7
Consumer | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	4,082	6,640
Consumer | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	10	271
Consumer | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	135	20
Consumer | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer | Accruing 60-89 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer | Accruing Greater Than 90 Days | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Paycheck Protection Program
Financing Receivable, Past Due [Line Items]
Loans	91,107	566,961
Paycheck Protection Program | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	21,604	51,429
Nonaccrual	0	0
Paycheck Protection Program | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Paycheck Protection Program | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	21,567	51,429
Paycheck Protection Program | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Paycheck Protection Program | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Paycheck Protection Program | Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	37	0
Portfolio Loans
Financing Receivable, Past Due [Line Items]
Loans	4,929,672	4,711,737
Nonaccrual	15,822	18,270
Portfolio Loans | Current
Financing Receivable, Past Due [Line Items]
Loans	4,908,686	4,685,456
Portfolio Loans | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	4,873	4,416
Portfolio Loans | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	207	3,532
Portfolio Loans | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	84	63
Portfolio Loans | Construction and land development
Financing Receivable, Past Due [Line Items]
Loans	199,341	216,420
Nonaccrual	254	158
Portfolio Loans | Construction and land development | Current
Financing Receivable, Past Due [Line Items]
Loans	199,087	216,262
Portfolio Loans | Construction and land development | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Construction and land development | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Construction and land development | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial real estate - owner occupied
Financing Receivable, Past Due [Line Items]
Loans	983,517	854,769
Nonaccrual	713	2,471
Portfolio Loans | Commercial real estate - owner occupied | Current
Financing Receivable, Past Due [Line Items]
Loans	982,804	851,222
Portfolio Loans | Commercial real estate - owner occupied | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	1,076
Portfolio Loans | Commercial real estate - owner occupied | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial real estate - owner occupied | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial real estate - non-owner occupied
Financing Receivable, Past Due [Line Items]
Loans	1,278,180	1,043,459
Nonaccrual	1,598	2,153
Portfolio Loans | Commercial real estate - non-owner occupied | Current
Financing Receivable, Past Due [Line Items]
Loans	1,276,582	1,041,306
Portfolio Loans | Commercial real estate - non-owner occupied | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial real estate - non-owner occupied | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial real estate - non-owner occupied | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Residential real estate
Financing Receivable, Past Due [Line Items]
Loans	1,261,306	1,155,914
Nonaccrual	9,546	8,531
Portfolio Loans | Residential real estate | Current
Financing Receivable, Past Due [Line Items]
Loans	1,248,160	1,142,893
Portfolio Loans | Residential real estate | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	3,457	3,002
Portfolio Loans | Residential real estate | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	143	1,427
Portfolio Loans | Residential real estate | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	61
Portfolio Loans | Commercial and financial
Financing Receivable, Past Due [Line Items]
Loans	968,318	743,846
Nonaccrual	3,598	4,382
Portfolio Loans | Commercial and financial | Current
Financing Receivable, Past Due [Line Items]
Loans	963,828	737,362
Portfolio Loans | Commercial and financial | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	851	135
Portfolio Loans | Commercial and financial | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	41	1,967
Portfolio Loans | Commercial and financial | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Consumer
Financing Receivable, Past Due [Line Items]
Loans	169,507	181,797
Nonaccrual	113	575
Portfolio Loans | Consumer | Current
Financing Receivable, Past Due [Line Items]
Loans	168,791	180,879
Portfolio Loans | Consumer | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	565	203
Portfolio Loans | Consumer | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	23	138
Portfolio Loans | Consumer | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	15	2
Portfolio Loans | Paycheck Protection Program
Financing Receivable, Past Due [Line Items]
Loans	69,503	515,532
Nonaccrual	0	0
Portfolio Loans | Paycheck Protection Program | Current
Financing Receivable, Past Due [Line Items]
Loans	69,434	515,532
Portfolio Loans | Paycheck Protection Program | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Paycheck Protection Program | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Paycheck Protection Program | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	$ 69	$ 0