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Loans and Allowance - Credit Quality of Loan Portfolio by Loan Class (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | $ 923,091 |
2020 | 3,744,372 |
2019 | 1,208,586 |
2018 | 677,245 |
2017 | 502,173 |
Prior | 906,900 |
Revolving loans amortized cost basis | 1,355,861 |
Loans | 9,318,228 | $ 9,243,174
Commercial Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 7,000,298
Commercial Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 334,989
Commercial Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 234,712
Commercial Doubtful |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Commercial Loss |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Consumer Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 1,666,062
Consumer Non-Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 7,113
PPP loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 293,100 |
2020 | 448,600 |
Loans | 741,700 | 667,100
Commercial and industrial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 461,373 |
2020 | 1,157,272 |
2019 | 273,425 |
2018 | 129,457 |
2017 | 49,876 |
Prior | 67,813 |
Revolving loans amortized cost basis | 736,996 |
Loans | 2,876,212 | 2,776,699
Commercial and industrial loans | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 451,747 |
2020 | 1,101,622 |
2019 | 265,685 |
2018 | 121,416 |
2017 | 47,101 |
Prior | 64,093 |
Revolving loans amortized cost basis | 634,146 |
Loans | 2,685,810 |
Commercial and industrial loans | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 7,735 |
2020 | 50,704 |
2019 | 1,421 |
2018 | 7,435 |
2017 | 2,306 |
Prior | 2,326 |
Revolving loans amortized cost basis | 29,255 |
Loans | 101,182 |
Commercial and industrial loans | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 1,891 |
2020 | 4,946 |
2019 | 6,319 |
2018 | 606 |
2017 | 469 |
Prior | 1,394 |
Revolving loans amortized cost basis | 73,595 |
Loans | 89,220 |
Commercial and industrial loans | Commercial Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 2,562,077
Commercial and industrial loans | Commercial Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 117,503
Commercial and industrial loans | Commercial Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 97,119
Commercial and industrial loans | Commercial Doubtful |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Commercial and industrial loans | Commercial Loss |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Commercial and industrial loans | Consumer Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Commercial and industrial loans | Consumer Non-Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Agricultural land, production and other loans to farmers |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 22,721 |
2020 | 63,357 |
2019 | 26,396 |
2018 | 14,140 |
2017 | 9,538 |
Prior | 53,870 |
Revolving loans amortized cost basis | 55,609 |
Loans | 245,631 | 281,884
Agricultural land, production and other loans to farmers | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 22,570 |
2020 | 58,620 |
2019 | 26,146 |
2018 | 11,864 |
2017 | 8,821 |
Prior | 49,646 |
Revolving loans amortized cost basis | 45,626 |
Loans | 223,293 |
Agricultural land, production and other loans to farmers | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 151 |
2020 | 621 |
2019 | 186 |
2018 | 2,151 |
2017 | 0 |
Prior | 3,347 |
Revolving loans amortized cost basis | 8,824 |
Loans | 15,280 |
Agricultural land, production and other loans to farmers | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 0 |
2020 | 4,116 |
2019 | 64 |
2018 | 125 |
2017 | 717 |
Prior | 877 |
Revolving loans amortized cost basis | 1,159 |
Loans | 7,058 |
Agricultural land, production and other loans to farmers | Commercial Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 243,991
Agricultural land, production and other loans to farmers | Commercial Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 26,835
Agricultural land, production and other loans to farmers | Commercial Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 9,885
Agricultural land, production and other loans to farmers | Commercial Doubtful |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Agricultural land, production and other loans to farmers | Commercial Loss |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Agricultural land, production and other loans to farmers | Consumer Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 1,173
Agricultural land, production and other loans to farmers | Consumer Non-Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 65,191 |
2020 | 218,970 |
2019 | 165,903 |
2018 | 68,879 |
2017 | 3,104 |
Prior | 1,963 |
Revolving loans amortized cost basis | 17,214 |
Loans | 541,224 | 484,723
Construction | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 60,800 |
2020 | 208,852 |
2019 | 165,903 |
2018 | 68,816 |
2017 | 3,104 |
Prior | 1,945 |
Revolving loans amortized cost basis | 17,184 |
Loans | 526,604 |
Construction | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 0 |
2020 | 10,118 |
2019 | 0 |
2018 | 63 |
2017 | 0 |
Prior | 0 |
Revolving loans amortized cost basis | 30 |
Loans | 10,211 |
Construction | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 4,391 |
2020 | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
Prior | 18 |
Revolving loans amortized cost basis | 0 |
Loans | 4,409 |
Construction | Commercial Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 446,846
Construction | Commercial Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 10,445
Construction | Commercial Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 5,549
Construction | Commercial Doubtful |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Construction | Commercial Loss |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Construction | Consumer Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 21,763
Construction | Consumer Non-Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 120
Commercial real estate, non-owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 103,508 |
2020 | 1,141,062 |
2019 | 313,326 |
2018 | 238,546 |
2017 | 149,787 |
Prior | 205,899 |
Revolving loans amortized cost basis | 26,704 |
Loans | 2,178,832 | 2,220,949
Commercial real estate, non-owner occupied | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 93,726 |
2020 | 933,226 |
2019 | 275,343 |
2018 | 225,971 |
2017 | 141,947 |
Prior | 196,284 |
Revolving loans amortized cost basis | 25,454 |
Loans | 1,891,951 |
Commercial real estate, non-owner occupied | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 9,544 |
2020 | 169,291 |
2019 | 13,242 |
2018 | 990 |
2017 | 0 |
Prior | 112 |
Revolving loans amortized cost basis | 1,250 |
Loans | 194,429 |
Commercial real estate, non-owner occupied | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 238 |
2020 | 38,545 |
2019 | 24,741 |
2018 | 11,585 |
2017 | 7,840 |
Prior | 9,503 |
Revolving loans amortized cost basis | 0 |
Loans | 92,452 |
Commercial real estate, non-owner occupied | Commercial Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 1,979,827
Commercial real estate, non-owner occupied | Commercial Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 160,304
Commercial real estate, non-owner occupied | Commercial Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 80,818
Commercial real estate, non-owner occupied | Commercial Doubtful |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Commercial real estate, non-owner occupied | Commercial Loss |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Commercial real estate, non-owner occupied | Consumer Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Commercial real estate, non-owner occupied | Consumer Non-Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Commercial real estate, owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 56,880 |
2020 | 510,636 |
2019 | 124,777 |
2018 | 61,356 |
2017 | 63,552 |
Prior | 92,959 |
Revolving loans amortized cost basis | 39,878 |
Loans | 950,038 | 958,501
Commercial real estate, owner occupied | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 51,710 |
2020 | 481,355 |
2019 | 122,017 |
2018 | 57,531 |
2017 | 60,587 |
Prior | 89,802 |
Revolving loans amortized cost basis | 39,729 |
Loans | 902,731 |
Commercial real estate, owner occupied | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 45 |
2020 | 10,174 |
2019 | 2,606 |
2018 | 1,646 |
2017 | 2,242 |
Prior | 1,178 |
Revolving loans amortized cost basis | 149 |
Loans | 18,040 |
Commercial real estate, owner occupied | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 5,079 |
2020 | 19,107 |
2019 | 154 |
2018 | 2,179 |
2017 | 723 |
Prior | 1,979 |
Revolving loans amortized cost basis | 0 |
Loans | 29,221 |
Commercial real estate, owner occupied | Commercial Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 907,566
Commercial real estate, owner occupied | Commercial Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 17,641
Commercial real estate, owner occupied | Commercial Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 33,294
Commercial real estate, owner occupied | Commercial Doubtful |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  |
Commercial real estate, owner occupied | Commercial Loss |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 46 |
2020 | 0 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
Prior | 0 |
Revolving loans amortized cost basis | 0 |
Loans | 46 |
Commercial real estate, owner occupied | Consumer Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Commercial real estate, owner occupied | Consumer Non-Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Residential Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 171,943 |
2020 | 402,246 |
2019 | 148,975 |
2018 | 103,570 |
2017 | 89,154 |
Prior | 320,071 |
Revolving loans amortized cost basis | 3,966 |
Loans | 1,239,925 | 1,234,741
Residential Real Estate | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 171,109 |
2020 | 398,112 |
2019 | 148,457 |
2018 | 101,627 |
2017 | 88,700 |
Prior | 314,130 |
Revolving loans amortized cost basis | 3,873 |
Loans | 1,226,008 |
Residential Real Estate | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 349 |
2020 | 982 |
2019 | 0 |
2018 | 588 |
2017 | 82 |
Prior | 1,313 |
Revolving loans amortized cost basis | 93 |
Loans | 3,407 |
Residential Real Estate | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 485 |
2020 | 3,152 |
2019 | 518 |
2018 | 1,355 |
2017 | 372 |
Prior | 4,628 |
Revolving loans amortized cost basis | 0 |
Loans | 10,510 |
Residential Real Estate | Commercial Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 199,338
Residential Real Estate | Commercial Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 2,261
Residential Real Estate | Commercial Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 7,058
Residential Real Estate | Commercial Doubtful |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Residential Real Estate | Commercial Loss |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Residential Real Estate | Consumer Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 1,020,687
Residential Real Estate | Consumer Non-Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 5,397
Home equity |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 3,076 |
2020 | 20,274 |
2019 | 2,577 |
2018 | 2,943 |
2017 | 1,915 |
Prior | 5,339 |
Revolving loans amortized cost basis | 446,105 |
Loans | 482,229 | 508,259
Home equity | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 2,673 |
2020 | 20,032 |
2019 | 2,577 |
2018 | 2,930 |
2017 | 1,786 |
Prior | 5,085 |
Revolving loans amortized cost basis | 442,166 |
Loans | 477,249 |
Home equity | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 0 |
2020 | 91 |
2019 | 0 |
2018 | 0 |
2017 | 0 |
Prior | 59 |
Revolving loans amortized cost basis | 2,588 |
Loans | 2,738 |
Home equity | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 403 |
2020 | 151 |
2019 | 0 |
2018 | 13 |
2017 | 129 |
Prior | 195 |
Revolving loans amortized cost basis | 1,351 |
Loans | 2,242 |
Home equity | Commercial Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 12,714
Home equity | Commercial Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Home equity | Commercial Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 989
Home equity | Commercial Doubtful |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Home equity | Commercial Loss |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Home equity | Consumer Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 492,999
Home equity | Consumer Non-Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 1,557
Individuals' loans for household and other personal expenditures |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 16,786 |
2020 | 38,747 |
2019 | 24,363 |
2018 | 18,517 |
2017 | 4,391 |
Prior | 7,583 |
Revolving loans amortized cost basis | 16,000 |
Loans | 126,387 | 129,479
Individuals' loans for household and other personal expenditures | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 16,786 |
2020 | 38,678 |
2019 | 24,201 |
2018 | 18,482 |
2017 | 4,383 |
Prior | 7,550 |
Revolving loans amortized cost basis | 15,996 |
Loans | 126,076 |
Individuals' loans for household and other personal expenditures | Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 0 |
2020 | 68 |
2019 | 75 |
2018 | 35 |
2017 | 8 |
Prior | 33 |
Revolving loans amortized cost basis | 4 |
Loans | 223 |
Individuals' loans for household and other personal expenditures | Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 0 |
2020 | 1 |
2019 | 87 |
2018 | 0 |
2017 | 0 |
Prior | 0 |
Revolving loans amortized cost basis | 0 |
Loans | 88 |
Individuals' loans for household and other personal expenditures | Commercial Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Individuals' loans for household and other personal expenditures | Commercial Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Individuals' loans for household and other personal expenditures | Commercial Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Individuals' loans for household and other personal expenditures | Commercial Doubtful |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Individuals' loans for household and other personal expenditures | Commercial Loss |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Individuals' loans for household and other personal expenditures | Consumer Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 129,440
Individuals' loans for household and other personal expenditures | Consumer Non-Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 39
Public finance and other commercial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 21,613 |
2020 | 191,808 |
2019 | 128,844 |
2018 | 39,837 |
2017 | 130,856 |
Prior | 151,403 |
Revolving loans amortized cost basis | 13,389 |
Loans | 677,750 | 647,939
Public finance and other commercial loans | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
2021 | 21,613 |
2020 | 191,808 |
2019 | 128,844 |
2018 | 39,837 |
2017 | 130,856 |
Prior | 151,403 |
Revolving loans amortized cost basis | 13,389 |
Loans | $ 677,750 |
Public finance and other commercial loans | Commercial Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 647,939
Public finance and other commercial loans | Commercial Special Mention |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Public finance and other commercial loans | Commercial Substandard |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Public finance and other commercial loans | Commercial Doubtful |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Public finance and other commercial loans | Commercial Loss |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Public finance and other commercial loans | Consumer Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | 0
Public finance and other commercial loans | Consumer Non-Performing |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans |  | $ 0

X
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- Definition Amount of financing receivable originated four years prior to current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
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- Definition Amount of financing receivable originated in current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=121647567&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919232-210447 + Details
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