Loans - Risk Categories of Loans by Class of Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	$ 766,029	$ 1,563,032
One year prior to current fiscal year	1,638,820	745,584
Two years prior to current fiscal year	708,323	751,942
Three years prior to current fiscal year	701,789	581,648
Four years prior to current fiscal year	518,839	423,022
Prior	1,434,094	1,181,217
Revolving	773,654	678,584
Total	6,541,548	5,925,029
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	764,766	1,562,502
One year prior to current fiscal year	1,637,854	716,570
Two years prior to current fiscal year	685,322	729,697
Three years prior to current fiscal year	681,005	549,567
Four years prior to current fiscal year	495,385	408,614
Prior	1,391,482	1,125,909
Revolving	767,795	672,256
Total	6,423,609	5,765,115
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	1,263	530
One year prior to current fiscal year	480	22,138
Two years prior to current fiscal year	10,506	6,645
Three years prior to current fiscal year	6,946	993
Four years prior to current fiscal year	1,173	925
Prior	5,622	18,430
Revolving	2,944	2,607
Total	28,934	52,268
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	478	5,487
Two years prior to current fiscal year	11,069	5,632
Three years prior to current fiscal year	8,565	26,800
Four years prior to current fiscal year	16,567	6,701
Prior	19,341	22,515
Revolving	436	648
Total	56,456	67,783
Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	8	1,389
Two years prior to current fiscal year	1,426	9,968
Three years prior to current fiscal year	5,273	4,288
Four years prior to current fiscal year	5,714	6,782
Prior	17,649	14,363
Revolving	2,479	3,073
Total	32,549	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	112,623	94,318
One year prior to current fiscal year	124,511	23,860
Two years prior to current fiscal year	19,219	38,058
Three years prior to current fiscal year	29,937	25,729
Four years prior to current fiscal year	7,222	3,995
Prior	13,504	15,515
Revolving	43,009	29,349
Total	350,025	230,824
Construction and land development | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	112,623	94,318
One year prior to current fiscal year	124,511	23,860
Two years prior to current fiscal year	19,219	38,058
Three years prior to current fiscal year	29,937	25,507
Four years prior to current fiscal year	7,222	3,995
Prior	13,488	15,466
Revolving	43,009	29,349
Total	350,009	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	16	49
Revolving	0	0
Total	16	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	108,673	205,404
One year prior to current fiscal year	198,439	160,959
Two years prior to current fiscal year	158,456	187,898
Three years prior to current fiscal year	189,085	133,312
Four years prior to current fiscal year	122,231	129,867
Prior	464,071	370,329
Revolving	13,388	10,005
Total	1,254,343	1,197,774
Commercial real estate - owner-occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	108,673	205,404
One year prior to current fiscal year	198,439	154,432
Two years prior to current fiscal year	152,729	179,786
Three years prior to current fiscal year	180,828	132,353
Four years prior to current fiscal year	121,286	125,763
Prior	458,968	363,986
Revolving	13,388	10,005
Total	1,234,311	1,171,729
Commercial real estate - owner-occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	6,527
Two years prior to current fiscal year	5,280	5,370
Three years prior to current fiscal year	5,275	649
Four years prior to current fiscal year	636	218
Prior	314	3,250
Revolving	0	0
Total	11,505	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	447	0
Three years prior to current fiscal year	2,665	0
Four years prior to current fiscal year	0	3,290
Prior	2,701	1,610
Revolving	0	0
Total	5,813	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	317	310
Four years prior to current fiscal year	309	596
Prior	2,088	1,483
Revolving	0	0
Total	2,714	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	288,039	395,308
One year prior to current fiscal year	407,054	213,644
Two years prior to current fiscal year	213,675	303,723
Three years prior to current fiscal year	291,432	209,545
Four years prior to current fiscal year	206,591	113,505
Prior	558,251	494,237
Revolving	7,498	6,477
Total	1,972,540	1,736,439
Commercial real estate - non owner-occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	288,039	395,308
One year prior to current fiscal year	407,054	207,824
Two years prior to current fiscal year	207,900	298,021
Three years prior to current fiscal year	286,427	186,339
Four years prior to current fiscal year	192,275	110,990
Prior	538,503	460,435
Revolving	7,498	6,477
Total	1,927,696	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	0	844
Three years prior to current fiscal year	830	0
Four years prior to current fiscal year	0	289
Prior	3,797	13,850
Revolving	0	0
Total	4,627	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	4,731	3,009
Three years prior to current fiscal year	0	23,206
Four years prior to current fiscal year	14,282	1,900
Prior	13,873	17,266
Revolving	0	0
Total	32,886	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	4,175	0
Four years prior to current fiscal year	34	326
Prior	2,078	2,686
Revolving	0	0
Total	7,331	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	91,195	394,547
One year prior to current fiscal year	542,597	114,853
Two years prior to current fiscal year	116,842	91,290
Three years prior to current fiscal year	83,869	119,945
Four years prior to current fiscal year	103,993	123,029
Prior	302,582	224,122
Revolving	406,387	357,568
Total	1,647,465	1,425,354
Residential real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	91,195	394,547
One year prior to current fiscal year	542,597	114,364
Two years prior to current fiscal year	116,702	90,566
Three years prior to current fiscal year	83,670	119,836
Four years prior to current fiscal year	103,890	118,556
Prior	291,042	213,950
Revolving	403,630	354,439
Total	1,632,726	1,406,258
Residential real estate | 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	66	70
Four years prior to current fiscal year	0	0
Prior	868	1,243
Revolving	546	532
Total	1,480	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	13	58
Prior	275	422
Revolving	0	86
Total	288	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	140	724
Three years prior to current fiscal year	133	39
Four years prior to current fiscal year	90	4,415
Prior	10,397	8,507
Revolving	2,211	2,511
Total	12,971	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	139,938	341,356
One year prior to current fiscal year	307,910	196,831
Two years prior to current fiscal year	170,685	104,238
Three years prior to current fiscal year	86,432	75,757
Four years prior to current fiscal year	64,834	42,389
Prior	75,085	60,874
Revolving	279,887	247,911
Total	1,124,771	1,069,356
Commercial and financial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	138,675	340,826
One year prior to current fiscal year	306,952	180,677
Two years prior to current fiscal year	159,376	97,072
Three years prior to current fiscal year	79,518	68,232
Four years prior to current fiscal year	57,045	39,331
Prior	69,304	56,053
Revolving	279,113	246,568
Total	1,089,983	1,028,759
Commercial and financial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	1,263	530
One year prior to current fiscal year	480	15,587
Two years prior to current fiscal year	5,202	0
Three years prior to current fiscal year	479	237
Four years prior to current fiscal year	309	251
Prior	371	84
Revolving	444	876
Total	8,548	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	478	371
Two years prior to current fiscal year	5,891	2,605
Three years prior to current fiscal year	5,888	3,594
Four years prior to current fiscal year	2,253	1,436
Prior	2,484	3,217
Revolving	277	339
Total	17,271	11,562
Commercial and financial | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	196
Two years prior to current fiscal year	216	4,561
Three years prior to current fiscal year	547	3,694
Four years prior to current fiscal year	5,227	1,371
Prior	2,926	1,520
Revolving	53	128
Total	8,969	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	25,561	45,063
One year prior to current fiscal year	43,545	31,366
Two years prior to current fiscal year	27,007	26,735
Three years prior to current fiscal year	21,034	17,360
Four years prior to current fiscal year	13,968	10,237
Prior	20,601	16,140
Revolving	23,485	27,274
Total	175,201	174,175
Consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	25,561	45,063
One year prior to current fiscal year	43,537	31,342
Two years prior to current fiscal year	26,957	26,194
Three years prior to current fiscal year	20,625	17,300
Four years prior to current fiscal year	13,667	9,979
Prior	20,177	16,019
Revolving	21,157	25,418
Total	171,681	171,315
Consumer | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	0	24
Two years prior to current fiscal year	24	431
Three years prior to current fiscal year	296	37
Four years prior to current fiscal year	228	167
Prior	272	3
Revolving	1,954	1,199
Total	2,774	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	0	18
Three years prior to current fiscal year	12	0
Four years prior to current fiscal year	19	17
Prior	8	0
Revolving	159	223
Total	198	258
Consumer | Substandard Impaired
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0	0
One year prior to current fiscal year	8	0
Two years prior to current fiscal year	26	92
Three years prior to current fiscal year	101	23
Four years prior to current fiscal year	54	74
Prior	144	118
Revolving	215	434
Total	548	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	14,764	4,071
Two years prior to current fiscal year	2,439	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	17,203	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	14,764	4,071
Two years prior to current fiscal year	2,439	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	$ 17,203	$ 91,107