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Loans and Allowance - Schedule of Risk Grading of Loan Portfolio by Loan Class (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | $ 776,878 | $ 3,023,847
2021 | 2,766,737 | 2,456,983
2020 | 2,211,749 | 778,086
2019 | 645,722 | 359,554
2018 | 343,932 | 353,319
Prior | 837,648 | 605,794
Revolving loans amortized cost basis | 1,773,532 | 1,664,006
Revolving loans converted to term | 43 | 272
Loans | 9,356,241 | 9,241,861
PPP loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 48,500 | 100,300
2021 | 155,000 | 6,300
Loans | 48,700 | 106,600
Commercial and industrial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 233,645 | 1,033,127
2021 | 877,074 | 375,587
2020 | 303,246 | 152,142
2019 | 129,515 | 68,827
2018 | 65,202 | 23,936
Prior | 51,918 | 32,992
Revolving loans amortized cost basis | 1,166,060 | 1,027,954
Revolving loans converted to term | 0 | 0
Loans | 2,826,660 | 2,714,565
Commercial and industrial loans | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 233,494 | 1,019,757
2021 | 860,644 | 362,372
2020 | 292,449 | 144,520
2019 | 127,655 | 65,165
2018 | 64,212 | 21,575
Prior | 48,840 | 30,420
Revolving loans amortized cost basis | 1,124,742 | 990,335
Revolving loans converted to term | 0 | 0
Loans | 2,752,036 | 2,634,144
Commercial and industrial loans | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 83 | 10,559
2021 | 13,199 | 11,088
2020 | 8,914 | 190
2019 | 196 | 730
2018 | 911 | 1,930
Prior | 1,967 | 1,825
Revolving loans amortized cost basis | 21,206 | 15,026
Revolving loans converted to term | 0 | 0
Loans | 46,476 | 41,348
Commercial and industrial loans | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 68 | 2,811
2021 | 2,665 | 2,127
2020 | 1,883 | 7,432
2019 | 1,664 | 2,932
2018 | 79 | 431
Prior | 1,111 | 747
Revolving loans amortized cost basis | 20,112 | 22,593
Revolving loans converted to term | 0 | 0
Loans | 27,582 | 39,073
Commercial and industrial loans | Doubtful |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 0 |
2021 | 566 |
2020 | 0 |
2019 | 0 |
2018 | 0 |
Prior | 0 |
Revolving loans amortized cost basis | 0 |
Revolving loans converted to term | 0 |
Loans | 566 |
Agricultural land, production and other loans to farmers |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 13,604 | 50,775
2021 | 45,415 | 47,213
2020 | 46,417 | 22,303
2019 | 20,294 | 8,060
2018 | 7,451 | 6,153
Prior | 37,753 | 36,353
Revolving loans amortized cost basis | 38,143 | 75,585
Revolving loans converted to term | 0 | 0
Loans | 209,077 | 246,442
Agricultural land, production and other loans to farmers | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 13,604 | 50,251
2021 | 45,415 | 45,164
2020 | 44,372 | 22,195
2019 | 20,250 | 7,689
2018 | 7,270 | 6,153
Prior | 37,478 | 36,074
Revolving loans amortized cost basis | 38,054 | 74,871
Revolving loans converted to term | 0 | 0
Loans | 206,443 | 242,397
Agricultural land, production and other loans to farmers | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 0 | 0
2021 | 0 | 1,543
2020 | 1,543 | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 248 | 252
Revolving loans amortized cost basis | 89 | 264
Revolving loans converted to term | 0 | 0
Loans | 1,880 | 2,059
Agricultural land, production and other loans to farmers | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 0 | 524
2021 | 0 | 506
2020 | 502 | 108
2019 | 44 | 371
2018 | 181 | 0
Prior | 27 | 27
Revolving loans amortized cost basis | 0 | 450
Revolving loans converted to term | 0 | 0
Loans | 754 | 1,986
Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 97,621 | 235,904
2021 | 234,844 | 201,132
2020 | 170,144 | 63,589
2019 | 25,825 | 979
2018 | 958 | 1,762
Prior | 4,704 | 2,499
Revolving loans amortized cost basis | 18,879 | 17,201
Revolving loans converted to term | 0 | 0
Loans | 552,975 | 523,066
Construction | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 93,208 | 215,167
2021 | 234,844 | 200,169
2020 | 169,386 | 63,589
2019 | 25,825 | 979
2018 | 958 | 1,762
Prior | 4,681 | 2,453
Revolving loans amortized cost basis | 18,879 | 17,201
Revolving loans converted to term | 0 | 0
Loans | 547,781 | 501,320
Construction | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 4,398 | 20,737
2021 | 0 | 270
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 0 | 46
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans | 4,398 | 21,053
Construction | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 15 | 0
2021 | 0 | 693
2020 | 758 | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 23 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans | 796 | 693
Commercial real estate, non-owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 159,108 | 676,889
2021 | 627,638 | 852,798
2020 | 779,343 | 227,510
2019 | 177,577 | 113,089
2018 | 110,253 | 109,556
Prior | 188,743 | 128,838
Revolving loans amortized cost basis | 30,535 | 26,779
Revolving loans converted to term | 0 | 0
Loans | 2,073,197 | 2,135,459
Commercial real estate, non-owner occupied | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 123,966 | 589,296
2021 | 528,861 | 688,406
2020 | 627,820 | 227,332
2019 | 177,465 | 111,971
2018 | 109,147 | 103,400
Prior | 186,777 | 126,837
Revolving loans amortized cost basis | 30,535 | 26,779
Revolving loans converted to term | 0 | 0
Loans | 1,784,571 | 1,874,021
Commercial real estate, non-owner occupied | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 35,142 | 68,279
2021 | 75,275 | 149,480
2020 | 144,704 | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 1,696 | 1,723
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans | 256,817 | 219,482
Commercial real estate, non-owner occupied | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 0 | 19,314
2021 | 23,502 | 14,912
2020 | 6,819 | 178
2019 | 112 | 1,118
2018 | 1,106 | 6,156
Prior | 270 | 278
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans | 31,809 | 41,956
Commercial real estate, owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 64,107 | 311,876
2021 | 297,872 | 404,099
2020 | 366,263 | 93,076
2019 | 84,597 | 44,837
2018 | 43,660 | 47,059
Prior | 81,457 | 51,626
Revolving loans amortized cost basis | 36,565 | 34,147
Revolving loans converted to term | 0 | 0
Loans | 974,521 | 986,720
Commercial real estate, owner occupied | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 60,735 | 299,186
2021 | 288,076 | 392,383
2020 | 353,021 | 92,338
2019 | 83,799 | 43,252
2018 | 42,142 | 46,044
Prior | 78,463 | 48,571
Revolving loans amortized cost basis | 36,565 | 33,998
Revolving loans converted to term | 0 | 0
Loans | 942,801 | 955,772
Commercial real estate, owner occupied | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 229 | 5,665
2021 | 5,575 | 5,953
2020 | 7,858 | 738
2019 | 798 | 1,532
2018 | 1,518 | 902
Prior | 1,965 | 1,301
Revolving loans amortized cost basis | 0 | 149
Revolving loans converted to term | 0 | 0
Loans | 17,943 | 16,240
Commercial real estate, owner occupied | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 3,143 | 7,025
2021 | 4,221 | 5,763
2020 | 5,384 | 0
2019 | 0 | 53
2018 | 0 | 113
Prior | 1,029 | 1,754
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans | 13,777 | 14,708
Residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 129,670 | 351,764
2021 | 347,070 | 356,660
2020 | 333,814 | 104,819
2019 | 96,522 | 71,299
2018 | 66,894 | 55,520
Prior | 249,534 | 216,032
Revolving loans amortized cost basis | 3,163 | 2,955
Revolving loans converted to term | 28 | 78
Loans | 1,226,695 | 1,159,127
Residential | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 129,643 | 349,726
2021 | 344,654 | 353,691
2020 | 331,532 | 103,028
2019 | 95,511 | 69,745
2018 | 64,998 | 55,240
Prior | 244,562 | 210,669
Revolving loans amortized cost basis | 3,158 | 2,955
Revolving loans converted to term | 13 | 73
Loans | 1,214,071 | 1,145,127
Residential | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 27 | 1,034
2021 | 1,140 | 1,394
2020 | 741 | 1,456
2019 | 695 | 306
2018 | 572 | 172
Prior | 1,601 | 2,106
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 15 | 0
Loans | 4,791 | 6,468
Residential | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 0 | 1,004
2021 | 1,276 | 1,575
2020 | 1,541 | 335
2019 | 316 | 1,248
2018 | 1,324 | 108
Prior | 3,371 | 3,257
Revolving loans amortized cost basis | 5 | 0
Revolving loans converted to term | 0 | 5
Loans | 7,833 | 7,532
Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 4,535 | 64,365
2021 | 56,212 | 17,641
2020 | 15,591 | 2,025
2019 | 1,904 | 2,135
2018 | 1,919 | 1,341
Prior | 4,344 | 3,526
Revolving loans amortized cost basis | 428,121 | 432,527
Revolving loans converted to term | 15 | 194
Loans | 512,641 | 523,754
Home equity | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 4,403 | 63,845
2021 | 55,867 | 17,556
2020 | 15,465 | 1,977
2019 | 1,857 | 2,127
2018 | 1,884 | 1,250
Prior | 4,171 | 3,432
Revolving loans amortized cost basis | 423,635 | 427,437
Revolving loans converted to term | 15 | 194
Loans | 507,297 | 517,818
Home equity | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 0 | 0
2021 | 0 | 85
2020 | 42 | 48
2019 | 47 | 0
2018 | 27 | 0
Prior | 2 | 24
Revolving loans amortized cost basis | 2,863 | 3,451
Revolving loans converted to term | 0 | 0
Loans | 2,981 | 3,608
Home equity | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 132 | 520
2021 | 345 | 0
2020 | 84 | 0
2019 | 0 | 8
2018 | 8 | 91
Prior | 171 | 70
Revolving loans amortized cost basis | 1,623 | 1,639
Revolving loans converted to term | 0 | 0
Loans | 2,363 | 2,328
Individuals' loans for household and other personal expenditures |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 19,629 | 67,828
2021 | 57,936 | 23,537
2020 | 20,485 | 11,943
2019 | 9,553 | 11,230
2018 | 9,030 | 2,028
Prior | 6,077 | 4,986
Revolving loans amortized cost basis | 24,883 | 24,540
Revolving loans converted to term | 0 | 0
Loans | 147,593 | 146,092
Individuals' loans for household and other personal expenditures | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 19,616 | 67,749
2021 | 57,759 | 23,452
2020 | 20,371 | 11,893
2019 | 9,519 | 11,197
2018 | 8,947 | 2,008
Prior | 6,024 | 4,928
Revolving loans amortized cost basis | 24,836 | 24,406
Revolving loans converted to term | 0 | 0
Loans | 147,072 | 145,633
Individuals' loans for household and other personal expenditures | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 13 | 79
2021 | 176 | 85
2020 | 113 | 50
2019 | 34 | 33
2018 | 83 | 20
Prior | 53 | 58
Revolving loans amortized cost basis | 47 | 134
Revolving loans converted to term | 0 | 0
Loans | 519 | 459
Individuals' loans for household and other personal expenditures | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 0 |
2021 | 1 |
2020 | 1 |
2019 | 0 |
2018 | 0 |
Prior | 0 |
Revolving loans amortized cost basis | 0 |
Revolving loans converted to term | 0 |
Loans | 2 |
Public finance and other commercial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 54,959 | 231,319
2021 | 222,676 | 178,316
2020 | 176,446 | 100,679
2019 | 99,935 | 39,098
2018 | 38,565 | 105,964
Prior | 213,118 | 128,942
Revolving loans amortized cost basis | 27,183 | 22,318
Revolving loans converted to term | 0 | 0
Loans | 832,882 | 806,636
Public finance and other commercial loans | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2022 | 54,959 | 231,319
2021 | 222,676 | 178,316
2020 | 176,446 | 100,679
2019 | 99,935 | 39,098
2018 | 38,565 | 105,964
Prior | 213,118 | 128,942
Revolving loans amortized cost basis | 27,183 | 22,318
Revolving loans converted to term | 0 | 0
Loans | $ 832,882 | $ 806,636

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