Loans and Allowance for Credit Losses - Credit Quality of Loan Portfolio by Loan Class (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	$ 3,483,295	$ 3,023,847
Year 2	2,680,834	2,456,983
Year 3	1,843,080	778,086
Year 4	686,065	359,554
Year 5	385,461	353,319
Prior	828,159	605,794
Revolving loans amortized cost basis	2,084,096	1,664,006
Revolving loans converted to term	12,904	272
Loans	12,003,894	9,241,861
Commercial and industrial loans
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	1,094,363	1,033,127
Year 2	576,080	375,587
Year 3	159,416	152,142
Year 4	131,332	68,827
Year 5	48,822	23,936
Prior	48,058	32,992
Revolving loans amortized cost basis	1,373,714	1,027,954
Revolving loans converted to term	5,341	0
Loans	3,437,126	2,714,565
Commercial and industrial loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	1,064,687	1,019,757
Year 2	531,504	362,372
Year 3	141,985	144,520
Year 4	114,999	65,165
Year 5	43,136	21,575
Prior	45,310	30,420
Revolving loans amortized cost basis	1,302,562	990,335
Revolving loans converted to term	5,048	0
Loans	3,249,231	2,634,144
Commercial and industrial loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	2,164	10,559
Year 2	18,005	11,088
Year 3	11,900	190
Year 4	5,727	730
Year 5	1,012	1,930
Prior	2,181	1,825
Revolving loans amortized cost basis	27,702	15,026
Revolving loans converted to term	150	0
Loans	68,841	41,348
Commercial and industrial loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	27,512	2,811
Year 2	26,571	2,127
Year 3	5,531	7,432
Year 4	10,606	2,932
Year 5	4,674	431
Prior	567	747
Revolving loans amortized cost basis	43,450	22,593
Revolving loans converted to term	143	0
Loans	119,054	39,073
Agricultural land, production and other loans to farmers
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	44,910	50,775
Year 2	37,083	47,213
Year 3	36,281	22,303
Year 4	15,296	8,060
Year 5	4,127	6,153
Prior	30,694	36,353
Revolving loans amortized cost basis	73,402	75,585
Revolving loans converted to term	0	0
Loans	241,793	246,442
Agricultural land, production and other loans to farmers | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	44,446	50,251
Year 2	36,299	45,164
Year 3	35,791	22,195
Year 4	15,296	7,689
Year 5	3,752	6,153
Prior	28,910	36,074
Revolving loans amortized cost basis	73,402	74,871
Revolving loans converted to term	0	0
Loans	237,896	242,397
Agricultural land, production and other loans to farmers | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	286	0
Year 2	784	1,543
Year 3	0	0
Year 4	0	0
Year 5	281	0
Prior	632	252
Revolving loans amortized cost basis	0	264
Revolving loans converted to term	0	0
Loans	1,983	2,059
Agricultural land, production and other loans to farmers | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	178	524
Year 2	0	506
Year 3	490	108
Year 4	0	371
Year 5	94	0
Prior	1,152	27
Revolving loans amortized cost basis	0	450
Revolving loans converted to term	0	0
Loans	1,914	1,986
Construction
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	383,367	235,904
Year 2	301,986	201,132
Year 3	117,541	63,589
Year 4	11,428	979
Year 5	857	1,762
Prior	3,236	2,499
Revolving loans amortized cost basis	17,167	17,201
Revolving loans converted to term	0	0
Loans	835,582	523,066
Construction | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	366,414	215,167
Year 2	301,986	200,169
Year 3	117,541	63,589
Year 4	11,428	979
Year 5	857	1,762
Prior	3,224	2,453
Revolving loans amortized cost basis	17,167	17,201
Revolving loans converted to term	0	0
Loans	818,617	501,320
Construction | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	16,922	20,737
Year 2	0	270
Year 3	0	0
Year 4	0	0
Year 5	0	0
Prior	0	46
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans	16,922	21,053
Construction | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	31	0
Year 2	0	693
Year 3	0	0
Year 4	0	0
Year 5	0	0
Prior	12	0
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans	43	693
Commercial real estate, non-owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	630,708	676,889
Year 2	615,408	852,798
Year 3	596,899	227,510
Year 4	187,486	113,089
Year 5	132,847	109,556
Prior	209,128	128,838
Revolving loans amortized cost basis	31,196	26,779
Revolving loans converted to term	3,803	0
Loans	2,407,475	2,135,459
Commercial real estate, non-owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	560,146	589,296
Year 2	603,254	688,406
Year 3	550,605	227,332
Year 4	168,701	111,971
Year 5	116,859	103,400
Prior	190,264	126,837
Revolving loans amortized cost basis	31,196	26,779
Revolving loans converted to term	3,803	0
Loans	2,224,828	1,874,021
Commercial real estate, non-owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	49,439	68,279
Year 2	4,026	149,480
Year 3	38,268	0
Year 4	18,785	0
Year 5	11,546	0
Prior	17,992	1,723
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans	140,056	219,482
Commercial real estate, non-owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	21,123	19,314
Year 2	8,128	14,912
Year 3	8,026	178
Year 4	0	1,118
Year 5	4,442	6,156
Prior	872	278
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans	42,591	41,956
Commercial real estate, owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	271,593	311,876
Year 2	324,004	404,099
Year 3	335,062	93,076
Year 4	119,104	44,837
Year 5	67,946	47,059
Prior	90,990	51,626
Revolving loans amortized cost basis	34,451	34,147
Revolving loans converted to term	3,378	0
Loans	1,246,528	986,720
Commercial real estate, owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	260,725	299,186
Year 2	316,665	392,383
Year 3	330,441	92,338
Year 4	114,015	43,252
Year 5	63,816	46,044
Prior	81,286	48,571
Revolving loans amortized cost basis	33,123	33,998
Revolving loans converted to term	3,378	0
Loans	1,203,449	955,772
Commercial real estate, owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	7,744	5,665
Year 2	6,125	5,953
Year 3	2,245	738
Year 4	3,481	1,532
Year 5	1,210	902
Prior	2,984	1,301
Revolving loans amortized cost basis	1,328	149
Revolving loans converted to term	0	0
Loans	25,117	16,240
Commercial real estate, owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	3,124	7,025
Year 2	1,214	5,763
Year 3	2,376	0
Year 4	1,608	53
Year 5	2,920	113
Prior	6,720	1,754
Revolving loans amortized cost basis	0	0
Revolving loans converted to term	0	0
Loans	17,962	14,708
Residential
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	762,399	351,764
Year 2	494,049	356,660
Year 3	405,136	104,819
Year 4	115,738	71,299
Year 5	79,632	55,520
Prior	234,141	216,032
Revolving loans amortized cost basis	5,459	2,955
Revolving loans converted to term	101	78
Loans	2,096,655	1,159,127
Residential | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	758,161	349,726
Year 2	489,301	353,691
Year 3	401,353	103,028
Year 4	114,420	69,745
Year 5	77,768	55,240
Prior	229,812	210,669
Revolving loans amortized cost basis	5,365	2,955
Revolving loans converted to term	46	73
Loans	2,076,226	1,145,127
Residential | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	2,839	1,034
Year 2	2,924	1,394
Year 3	1,972	1,456
Year 4	513	306
Year 5	396	172
Prior	2,588	2,106
Revolving loans amortized cost basis	34	0
Revolving loans converted to term	0	0
Loans	11,266	6,468
Residential | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	1,399	1,004
Year 2	1,824	1,575
Year 3	1,811	335
Year 4	805	1,248
Year 5	1,468	108
Prior	1,741	3,257
Revolving loans amortized cost basis	60	0
Revolving loans converted to term	55	5
Loans	9,163	7,532
Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	40,768	64,365
Year 2	75,749	17,641
Year 3	14,621	2,025
Year 4	1,572	2,135
Year 5	1,528	1,341
Prior	3,393	3,526
Revolving loans amortized cost basis	492,720	432,527
Revolving loans converted to term	281	194
Loans	630,632	523,754
Home equity | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	40,768	63,845
Year 2	75,670	17,556
Year 3	14,621	1,977
Year 4	1,572	2,127
Year 5	1,348	1,250
Prior	3,325	3,432
Revolving loans amortized cost basis	486,924	427,437
Revolving loans converted to term	281	194
Loans	624,509	517,818
Home equity | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	0	0
Year 2	0	85
Year 3	0	48
Year 4	0	0
Year 5	115	0
Prior	8	24
Revolving loans amortized cost basis	3,698	3,451
Revolving loans converted to term	0	0
Loans	3,821	3,608
Home equity | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	0	520
Year 2	79	0
Year 3	0	0
Year 4	0	8
Year 5	65	91
Prior	60	70
Revolving loans amortized cost basis	2,098	1,639
Revolving loans converted to term	0	0
Loans	2,302	2,328
Individuals' loans for household and other personal expenditures
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	68,062
Year 2	43,773
Year 3	13,105
Year 4	5,422
Year 5	5,942
Prior	3,800
Revolving loans amortized cost basis	35,107
Revolving loans converted to term	0
Loans	175,211	146,092
Individuals' loans for household and other personal expenditures | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	67,883	67,749
Year 2	43,639	23,452
Year 3	13,025	11,893
Year 4	5,389	11,197
Year 5	5,830	2,008
Prior	3,775	4,928
Revolving loans amortized cost basis	35,091	24,406
Revolving loans converted to term	0	0
Loans	174,632	145,633
Individuals' loans for household and other personal expenditures | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	178	79
Year 2	134	85
Year 3	77	50
Year 4	33	33
Year 5	28	20
Prior	17	58
Revolving loans amortized cost basis	16	134
Revolving loans converted to term	0	0
Loans	483	459
Individuals' loans for household and other personal expenditures | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	1	67,828
Year 2	0	23,537
Year 3	3	11,943
Year 4	0	11,230
Year 5	84	2,028
Prior	8	4,986
Revolving loans amortized cost basis	0	24,540
Revolving loans converted to term	0	0
Loans	96	146,092
Public finance and other commercial loans
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	187,125	231,319
Year 2	212,702	178,316
Year 3	165,019	100,679
Year 4	98,687	39,098
Year 5	43,760	105,964
Prior	204,719	128,942
Revolving loans amortized cost basis	20,880	22,318
Revolving loans converted to term	0	0
Loans	932,892	806,636
Public finance and other commercial loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Year 1	187,125	231,319
Year 2	212,702	178,316
Year 3	165,019	100,679
Year 4	98,687	39,098
Year 5	43,760	105,964
Prior	204,719	128,942
Revolving loans amortized cost basis	20,880	22,318
Revolving loans converted to term	0	0
Loans	$ 932,892	$ 806,636