Loans - Risk Categories of Loans by Class of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	$ 1,079,025	$ 1,563,032
One year prior to current fiscal year	1,587,404	745,584
Two years prior to current fiscal year	681,272	751,942
Three years prior to current fiscal year	664,320	581,648
Four years prior to current fiscal year	484,959	423,022
Prior	1,365,697	1,181,217
Revolving	828,168	678,584
Total	6,690,845	5,925,029
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	1,077,013	1,562,502
One year prior to current fiscal year	1,586,914	716,570
Two years prior to current fiscal year	663,000	729,697
Three years prior to current fiscal year	652,669	549,567
Four years prior to current fiscal year	471,817	408,614
Prior	1,334,240	1,125,909
Revolving	822,142	672,256
Total	6,607,795	5,765,115
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	2,006	530
One year prior to current fiscal year	483	22,138
Two years prior to current fiscal year	1,045	6,645
Three years prior to current fiscal year	624	993
Four years prior to current fiscal year	979	925
Prior	5,181	18,430
Revolving	3,118	2,607
Total	13,436	52,268
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	5,487
Two years prior to current fiscal year	15,819	5,632
Three years prior to current fiscal year	8,414	26,800
Four years prior to current fiscal year	7,392	6,701
Prior	9,992	22,515
Revolving	673	648
Total	42,290	67,783
Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	6	0
One year prior to current fiscal year	7	1,389
Two years prior to current fiscal year	1,408	9,968
Three years prior to current fiscal year	2,613	4,288
Four years prior to current fiscal year	4,771	6,782
Prior	16,284	14,363
Revolving	2,235	3,073
Total	27,324	39,863
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	0	0
Three years prior to current fiscal year	0	0
Four years prior to current fiscal year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Construction and land development
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	138,044	94,318
One year prior to current fiscal year	127,715	23,860
Two years prior to current fiscal year	12,724	38,058
Three years prior to current fiscal year	17,839	25,729
Four years prior to current fiscal year	6,943	3,995
Prior	12,584	15,515
Revolving	46,064	29,349
Total	361,913	230,824
Construction and land development | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	138,044	94,318
One year prior to current fiscal year	127,715	23,860
Two years prior to current fiscal year	12,724	38,058
Three years prior to current fiscal year	17,839	25,507
Four years prior to current fiscal year	6,943	3,995
Prior	12,573	15,466
Revolving	46,064	29,349
Total	361,902	230,553
Construction and land development | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	0	0
Three years prior to current fiscal year	0	0
Four years prior to current fiscal year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Construction and land development | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	0	0
Three years prior to current fiscal year	0	0
Four years prior to current fiscal year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Construction and land development | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	0	0
Three years prior to current fiscal year	0	222
Four years prior to current fiscal year	0	0
Prior	11	49
Revolving	0	0
Total	11	271
Construction and land development | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	0	0
Three years prior to current fiscal year	0	0
Four years prior to current fiscal year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial real estate - owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	137,973	205,404
One year prior to current fiscal year	194,852	160,959
Two years prior to current fiscal year	153,023	187,898
Three years prior to current fiscal year	183,180	133,312
Four years prior to current fiscal year	117,579	129,867
Prior	452,926	370,329
Revolving	13,926	10,005
Total	1,253,459	1,197,774
Commercial real estate - owner-occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	137,279	205,404
One year prior to current fiscal year	194,852	154,432
Two years prior to current fiscal year	153,023	179,786
Three years prior to current fiscal year	180,220	132,353
Four years prior to current fiscal year	116,511	125,763
Prior	445,680	363,986
Revolving	13,926	10,005
Total	1,241,491	1,171,729
Commercial real estate - owner-occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	694	0
One year prior to current fiscal year	0	6,527
Two years prior to current fiscal year	0	5,370
Three years prior to current fiscal year	0	649
Four years prior to current fiscal year	764	218
Prior	2,909	3,250
Revolving	0	0
Total	4,367	16,014
Commercial real estate - owner-occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	0	0
Three years prior to current fiscal year	2,646	0
Four years prior to current fiscal year	0	3,290
Prior	1,956	1,610
Revolving	0	0
Total	4,602	4,900
Commercial real estate - owner-occupied | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	0	2,742
Three years prior to current fiscal year	314	310
Four years prior to current fiscal year	304	596
Prior	2,381	1,483
Revolving	0	0
Total	2,999	5,131
Commercial real estate - owner-occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	0	0
Three years prior to current fiscal year	0	0
Four years prior to current fiscal year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial real estate - non owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	379,918	395,308
One year prior to current fiscal year	430,128	213,644
Two years prior to current fiscal year	219,619	303,723
Three years prior to current fiscal year	292,892	209,545
Four years prior to current fiscal year	200,386	113,505
Prior	558,093	494,237
Revolving	26,578	6,477
Total	2,107,614	1,736,439
Commercial real estate - non owner-occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	379,918	395,308
One year prior to current fiscal year	430,128	207,824
Two years prior to current fiscal year	213,128	298,021
Three years prior to current fiscal year	291,043	186,339
Four years prior to current fiscal year	194,840	110,990
Prior	548,896	460,435
Revolving	26,578	6,477
Total	2,084,531	1,665,394
Commercial real estate - non owner-occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	738	844
Three years prior to current fiscal year	0	0
Four years prior to current fiscal year	0	289
Prior	1,436	13,850
Revolving	0	0
Total	2,174	14,983
Commercial real estate - non owner-occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	4,776
Two years prior to current fiscal year	4,709	3,009
Three years prior to current fiscal year	0	23,206
Four years prior to current fiscal year	5,515	1,900
Prior	5,724	17,266
Revolving	0	0
Total	15,948	50,157
Commercial real estate - non owner-occupied | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	1,044
Two years prior to current fiscal year	1,044	1,849
Three years prior to current fiscal year	1,849	0
Four years prior to current fiscal year	31	326
Prior	2,037	2,686
Revolving	0	0
Total	4,961	5,905
Commercial real estate - non owner-occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	0	0
Three years prior to current fiscal year	0	0
Four years prior to current fiscal year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	165,504	394,547
One year prior to current fiscal year	496,317	114,853
Two years prior to current fiscal year	105,074	91,290
Three years prior to current fiscal year	69,699	119,945
Four years prior to current fiscal year	89,718	123,029
Prior	258,784	224,122
Revolving	414,669	357,568
Total	1,599,765	1,425,354
Residential real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	165,480	394,547
One year prior to current fiscal year	496,317	114,364
Two years prior to current fiscal year	104,888	90,566
Three years prior to current fiscal year	69,576	119,836
Four years prior to current fiscal year	89,632	118,556
Prior	249,545	213,950
Revolving	411,635	354,439
Total	1,587,073	1,406,258
Residential real estate | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	24	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	50	0
Three years prior to current fiscal year	0	70
Four years prior to current fiscal year	0	0
Prior	343	1,243
Revolving	843	532
Total	1,260	1,845
Residential real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	340
Two years prior to current fiscal year	0	0
Three years prior to current fiscal year	0	0
Four years prior to current fiscal year	0	58
Prior	0	422
Revolving	194	86
Total	194	906
Residential real estate | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	149
Two years prior to current fiscal year	136	724
Three years prior to current fiscal year	123	39
Four years prior to current fiscal year	86	4,415
Prior	8,896	8,507
Revolving	1,997	2,511
Total	11,238	16,345
Residential real estate | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	0	0
Three years prior to current fiscal year	0	0
Four years prior to current fiscal year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial and financial
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	221,512	341,356
One year prior to current fiscal year	293,346	196,831
Two years prior to current fiscal year	163,294	104,238
Three years prior to current fiscal year	81,675	75,757
Four years prior to current fiscal year	57,947	42,389
Prior	64,820	60,874
Revolving	299,790	247,911
Total	1,182,384	1,069,356
Commercial and financial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	220,218	340,826
One year prior to current fiscal year	292,894	180,677
Two years prior to current fiscal year	151,871	97,072
Three years prior to current fiscal year	75,083	68,232
Four years prior to current fiscal year	51,569	39,331
Prior	59,354	56,053
Revolving	299,146	246,568
Total	1,150,135	1,028,759
Commercial and financial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	1,288	530
One year prior to current fiscal year	452	15,587
Two years prior to current fiscal year	121	0
Three years prior to current fiscal year	566	237
Four years prior to current fiscal year	205	251
Prior	333	84
Revolving	361	876
Total	3,326	17,565
Commercial and financial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	371
Two years prior to current fiscal year	11,098	2,605
Three years prior to current fiscal year	5,756	3,594
Four years prior to current fiscal year	1,875	1,436
Prior	2,304	3,217
Revolving	256	339
Total	21,289	11,562
Commercial and financial | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	6	0
One year prior to current fiscal year	0	196
Two years prior to current fiscal year	204	4,561
Three years prior to current fiscal year	270	3,694
Four years prior to current fiscal year	4,298	1,371
Prior	2,829	1,520
Revolving	27	128
Total	7,634	11,470
Commercial and financial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	0	0
Three years prior to current fiscal year	0	0
Four years prior to current fiscal year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	36,074	45,063
One year prior to current fiscal year	41,836	31,366
Two years prior to current fiscal year	25,454	26,735
Three years prior to current fiscal year	19,035	17,360
Four years prior to current fiscal year	12,386	10,237
Prior	18,490	16,140
Revolving	27,141	27,274
Total	180,416	174,175
Consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	36,074	45,063
One year prior to current fiscal year	41,798	31,342
Two years prior to current fiscal year	25,282	26,194
Three years prior to current fiscal year	18,908	17,300
Four years prior to current fiscal year	12,322	9,979
Prior	18,192	16,019
Revolving	24,793	25,418
Total	177,369	171,315
Consumer | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	31	24
Two years prior to current fiscal year	136	431
Three years prior to current fiscal year	58	37
Four years prior to current fiscal year	10	167
Prior	160	3
Revolving	1,914	1,199
Total	2,309	1,861
Consumer | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	12	18
Three years prior to current fiscal year	12	0
Four years prior to current fiscal year	2	17
Prior	8	0
Revolving	223	223
Total	257	258
Consumer | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	7	0
Two years prior to current fiscal year	24	92
Three years prior to current fiscal year	57	23
Four years prior to current fiscal year	52	74
Prior	130	118
Revolving	211	434
Total	481	741
Consumer | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	0
Two years prior to current fiscal year	0	0
Three years prior to current fiscal year	0	0
Four years prior to current fiscal year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Paycheck Protection Program
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	87,036
One year prior to current fiscal year	3,210	4,071
Two years prior to current fiscal year	2,084	0
Three years prior to current fiscal year	0	0
Four years prior to current fiscal year	0	0
Prior	0	0
Revolving	0	0
Total	5,294	91,107
Paycheck Protection Program | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	87,036
One year prior to current fiscal year	3,210	4,071
Two years prior to current fiscal year	2,084	0
Three years prior to current fiscal year	0	0
Four years prior to current fiscal year	0	0
Prior	0	0
Revolving	0	0
Total	$ 5,294	$ 91,107