Loans - Past Due Financing Receivables (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Loans	$ 6,451,217	$ 5,925,029
Nonaccrual	26,209	30,598
Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,133,884	868,418
Nonaccrual	2,729	3,454
PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	118,223	126,939
Nonaccrual	11,483	11,322
Current
Financing Receivable, Past Due [Line Items]
Loans	6,420,359	5,888,713
Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	1,130,873	864,410
Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	106,740	115,617
Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	3,876	5,190
Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	282	317
Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	733	407
Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	200
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	40	121
Accruing Greater Than 90 Days | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	37
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	259,421	230,824
Nonaccrual	232	259
Construction and land development | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	33,231	31,438
Nonaccrual	0	0
Construction and land development | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	41	45
Nonaccrual	4	5
Construction and land development | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	33,231	31,438
Construction and land development | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	37	40
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	1,284,515	1,197,774
Nonaccrual	3,842	3,966
Commercial real estate - owner-occupied | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	273,498	186,812
Nonaccrual	0	0
Commercial real estate - owner-occupied | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	20,088	27,445
Nonaccrual	3,173	3,253
Commercial real estate - owner-occupied | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	273,498	186,652
Commercial real estate - owner-occupied | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	16,915	24,192
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	0	160
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	1,966,150	1,736,439
Nonaccrual	4,782	5,905
Commercial real estate - non owner-occupied | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	488,400	382,554
Nonaccrual	1,225	1,044
Commercial real estate - non owner-occupied | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	77,480	75,705
Nonaccrual	3,224	3,263
Commercial real estate - non owner-occupied | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	487,175	381,510
Commercial real estate - non owner-occupied | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	74,256	72,442
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	1,599,645	1,425,354
Nonaccrual	9,242	13,045
Residential real estate | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	214,401	156,957
Nonaccrual	1,193	1,794
Residential real estate | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	5,333	7,091
Nonaccrual	709	1,705
Residential real estate | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	213,208	154,981
Residential real estate | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	4,624	5,386
Residential real estate | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	182
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	0
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	1,132,506	1,069,356
Nonaccrual	7,750	6,869
Commercial and financial | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	110,161	84,395
Nonaccrual	74	175
Commercial and financial | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	15,281	16,643
Nonaccrual	4,373	3,096
Commercial and financial | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	109,805	84,180
Commercial and financial | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	10,908	13,547
Commercial and financial | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	282	0
Commercial and financial | Accruing 30-59 Days Past Due | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial and financial | Accruing 60-89 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	40
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	169,724	174,175
Nonaccrual	361	554
Consumer | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	4,074	4,658
Nonaccrual	237	441
Consumer | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	10
Nonaccrual	0	0
Consumer | Current | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	3,837	4,082
Consumer | Current | PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	10
Consumer | Accruing 30-59 Days Past Due | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	0	135
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	39,256	91,107
Paycheck Protection Program | Acquired Non-PCD Loans
Financing Receivable, Past Due [Line Items]
Loans	10,119	21,604
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	10,119	21,567
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	0	37
Portfolio Loans
Financing Receivable, Past Due [Line Items]
Loans	5,199,110	4,929,672
Nonaccrual	11,997	15,822
Portfolio Loans | Current
Financing Receivable, Past Due [Line Items]
Loans	5,182,746	4,908,686
Portfolio Loans | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	3,594	4,873
Portfolio Loans | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	733	207
Portfolio Loans | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	40	84
Portfolio Loans | Construction and land development
Financing Receivable, Past Due [Line Items]
Loans	226,149	199,341
Nonaccrual	228	254
Portfolio Loans | Construction and land development | Current
Financing Receivable, Past Due [Line Items]
Loans	225,921	199,087
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	990,929	983,517
Nonaccrual	669	713
Portfolio Loans | Commercial real estate - owner-occupied | Current
Financing Receivable, Past Due [Line Items]
Loans	990,260	982,804
Portfolio Loans | Commercial real estate - owner-occupied | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
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	1,400,270	1,278,180
Nonaccrual	333	1,598
Portfolio Loans | Commercial real estate - non owner-occupied | Current
Financing Receivable, Past Due [Line Items]
Loans	1,399,902	1,276,582
Portfolio Loans | Commercial real estate - non owner-occupied | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	35	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	1,379,911	1,261,306
Nonaccrual	7,340	9,546
Portfolio Loans | Residential real estate | Current
Financing Receivable, Past Due [Line Items]
Loans	1,372,141	1,248,160
Portfolio Loans | Residential real estate | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	155	3,457
Portfolio Loans | Residential real estate | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	275	143
Portfolio Loans | Residential real estate | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	0
Portfolio Loans | Commercial and financial
Financing Receivable, Past Due [Line Items]
Loans	1,007,064	968,318
Nonaccrual	3,303	3,598
Portfolio Loans | Commercial and financial | Current
Financing Receivable, Past Due [Line Items]
Loans	1,000,983	963,828
Portfolio Loans | Commercial and financial | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,738	851
Portfolio Loans | Commercial and financial | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	41
Portfolio Loans | Commercial and financial | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	40	0
Portfolio Loans | Consumer
Financing Receivable, Past Due [Line Items]
Loans	165,650	169,507
Nonaccrual	124	113
Portfolio Loans | Consumer | Current
Financing Receivable, Past Due [Line Items]
Loans	164,430	168,791
Portfolio Loans | Consumer | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	638	565
Portfolio Loans | Consumer | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	458	23
Portfolio Loans | Consumer | Accruing Greater Than 90 Days
Financing Receivable, Past Due [Line Items]
Loans	0	15
Portfolio Loans | Paycheck Protection Program
Financing Receivable, Past Due [Line Items]
Loans	29,137	69,503
Nonaccrual	0	0
Portfolio Loans | Paycheck Protection Program | Current
Financing Receivable, Past Due [Line Items]
Loans	29,109	69,434
Portfolio Loans | Paycheck Protection Program | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	28	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	$ 0	$ 69