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Loans - Schedule of Recorded Investment in Criticized Loans by Class and Credit Quality Indicator (Details) - USD ($) | Mar. 31, 2020 | Mar. 27, 2020 | Dec. 31, 2019
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Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Total loans, net of deferred fees and costs | $ 9,012,400,000 | $ 1,000,000,000.0 | $ 9,031,600,000
Loans and Leases Receivable, Net of Deferred Income |  |  | 8,936,200,000
Non-owner occupied |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 115.3 |  |
2019 | 355.9 |  |
2018 | 260.9 |  |
2017 | 135.8 |  |
2016 | 179.1 |  |
Prior | 474.7 |  |
Revolving Loans Amortized Cost Basis | 20.5 |  |
Total loans, net of deferred fees and costs | 1,542.2 |  |
Commercial Real Estate |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 3,487,800,000
Land acquisition & development |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 38.4 |  |
2019 | 94.1 |  |
2018 | 54.3 |  |
2017 | 40.4 |  |
2016 | 12.4 |  |
Prior | 44.3 |  |
Revolving Loans Amortized Cost Basis | 6.6 |  |
Total loans, net of deferred fees and costs | 290.5 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 302,100,000
Residential |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 22.5 |  |
2019 | 121.8 |  |
2018 | 29.3 |  |
2017 | 6.9 |  |
2016 | 0.3 |  |
Prior | 0.4 |  |
Revolving Loans Amortized Cost Basis | 47.2 |  |
Total loans, net of deferred fees and costs | 228.4 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 244,100,000
Commercial |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 51.9 |  |
2019 | 223.3 |  |
2018 | 141.2 |  |
2017 | 24.4 |  |
2016 | 10.0 |  |
Prior | 0.7 |  |
Revolving Loans Amortized Cost Basis | 7.9 |  |
Total loans, net of deferred fees and costs | 459.4 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 431,500,000
Total construction |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 977,700,000
Residential |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 1,246,100,000
Agricultural |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 11.7 |  |
2019 | 69.8 |  |
2018 | 40.7 |  |
2017 | 24.8 |  |
2016 | 19.8 |  |
Prior | 47.5 |  |
Revolving Loans Amortized Cost Basis | 10.3 |  |
Total loans, net of deferred fees and costs | 224.6 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 226,600,000
Real Estate Loan |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 5,938,200,000
Indirect consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 70.3 |  |
2019 | 267.7 |  |
2018 | 174.9 |  |
2017 | 115.7 |  |
2016 | 79.5 |  |
Prior | 66.5 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 774.6 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 784,600,000
Direct consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 13.6 |  |
2019 | 45.0 |  |
2018 | 46.7 |  |
2017 | 20.1 |  |
2016 | 9.5 |  |
Prior | 13.4 |  |
Revolving Loans Amortized Cost Basis | 26.7 |  |
Total loans, net of deferred fees and costs | 175.0 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 1,045,200,000
Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 152.5 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 81,600,000
Total consumer loans |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 179,000,000.0
Commercial |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 1,673,700,000
Owner occupied |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 109.4 |  |
2019 | 360.6 |  |
2018 | 303.3 |  |
2017 | 180.4 |  |
2016 | 228.0 |  |
Prior | 496.8 |  |
Revolving Loans Amortized Cost Basis | 18.7 |  |
Total loans, net of deferred fees and costs | 1,697.2 |  |
Multi-family |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 28.9 |  |
2019 | 78.5 |  |
2018 | 31.3 |  |
2017 | 32.4 |  |
2016 | 28.9 |  |
Prior | 102.9 |  |
Revolving Loans Amortized Cost Basis | 1.1 |  |
Total loans, net of deferred fees and costs | 304.0 |  |
Commercial and floor plans |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 131.5 |  |
2019 | 274.2 |  |
2018 | 200.8 |  |
2017 | 124.6 |  |
2016 | 68.6 |  |
Prior | 124.8 |  |
Revolving Loans Amortized Cost Basis | 355.9 |  |
Total loans, net of deferred fees and costs | 1,280.4 |  |
Commercial purpose secured by 1-4 family |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 23.5 |  |
2019 | 80.4 |  |
2018 | 56.3 |  |
2017 | 30.7 |  |
2016 | 21.4 |  |
Prior | 66.6 |  |
Revolving Loans Amortized Cost Basis | 26.5 |  |
Total loans, net of deferred fees and costs | 305.4 |  |
Agricultural |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 25.8 |  |
2019 | 43.3 |  |
2018 | 25.7 |  |
2017 | 8.8 |  |
2016 | 4.9 |  |
Prior | 2.3 |  |
Revolving Loans Amortized Cost Basis | 145.4 |  |
Total loans, net of deferred fees and costs | 256.2 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 279,100,000
Residential 1-4 family |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 33.8 |  |
2019 | 139.3 |  |
2018 | 103.1 |  |
2017 | 81.8 |  |
2016 | 97.1 |  |
Prior | 347.6 |  |
Revolving Loans Amortized Cost Basis | 0.2 |  |
Total loans, net of deferred fees and costs | 802.9 |  |
Consumer Home Equity and HELOC |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 3.4 |  |
2019 | 12.4 |  |
2018 | 11.2 |  |
2017 | 14.8 |  |
2016 | 6.2 |  |
Prior | 22.1 |  |
Revolving Loans Amortized Cost Basis | 358.0 |  |
Total loans, net of deferred fees and costs | 428.1 |  |
Pass |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 8,548,800,000
Pass | Non-owner occupied |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 99.7 |  |
2019 | 349.3 |  |
2018 | 259.5 |  |
2017 | 133.6 |  |
2016 | 176.3 |  |
Prior | 446.4 |  |
Revolving Loans Amortized Cost Basis | 20.5 |  |
Total loans, net of deferred fees and costs | 1,485.3 |  |
Pass | Commercial Real Estate |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 3,305,000,000.0
Pass | Land acquisition & development |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 38.3 |  |
2019 | 93.6 |  |
2018 | 53.9 |  |
2017 | 38.9 |  |
2016 | 12.4 |  |
Prior | 42.1 |  |
Revolving Loans Amortized Cost Basis | 5.9 |  |
Total loans, net of deferred fees and costs | 285.1 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 295,400,000
Pass | Residential |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 22.5 |  |
2019 | 121.8 |  |
2018 | 27.5 |  |
2017 | 6.9 |  |
2016 | 0.3 |  |
Prior | 0.4 |  |
Revolving Loans Amortized Cost Basis | 47.2 |  |
Total loans, net of deferred fees and costs | 226.6 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 241,000,000.0
Pass | Commercial |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 51.9 |  |
2019 | 222.3 |  |
2018 | 139.3 |  |
2017 | 24.4 |  |
2016 | 10.0 |  |
Prior | 0.6 |  |
Revolving Loans Amortized Cost Basis | 7.7 |  |
Total loans, net of deferred fees and costs | 456.2 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 428,300,000
Pass | Total construction |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 964,700,000
Pass | Residential |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 1,235,400,000
Pass | Agricultural |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 11.1 |  |
2019 | 57.1 |  |
2018 | 35.2 |  |
2017 | 22.3 |  |
2016 | 16.1 |  |
Prior | 36.7 |  |
Revolving Loans Amortized Cost Basis | 7.8 |  |
Total loans, net of deferred fees and costs | 186.3 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 185,700,000
Pass | Real Estate Loan |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 5,690,800,000
Pass | Indirect consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 781,500,000
Pass | Direct consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 1,040,800,000
Pass | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 81,600,000
Pass | Total consumer loans |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 177,700,000
Pass | Commercial |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 1,569,400,000
Pass | Owner occupied |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 100.5 |  |
2019 | 348.8 |  |
2018 | 283.6 |  |
2017 | 170.0 |  |
2016 | 194.2 |  |
Prior | 459.0 |  |
Revolving Loans Amortized Cost Basis | 17.6 |  |
Total loans, net of deferred fees and costs | 1,573.7 |  |
Pass | Commercial and floor plans |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 116.6 |  |
2019 | 247.2 |  |
2018 | 186.4 |  |
2017 | 120.9 |  |
2016 | 58.9 |  |
Prior | 118.1 |  |
Revolving Loans Amortized Cost Basis | 329.4 |  |
Total loans, net of deferred fees and costs | 1,177.5 |  |
Pass | Commercial purpose secured by 1-4 family |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 22.9 |  |
2019 | 74.1 |  |
2018 | 49.2 |  |
2017 | 29.4 |  |
2016 | 19.6 |  |
Prior | 63.5 |  |
Revolving Loans Amortized Cost Basis | 25.7 |  |
Total loans, net of deferred fees and costs | 284.4 |  |
Pass | Agricultural |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 19.3 |  |
2019 | 40.9 |  |
2018 | 18.8 |  |
2017 | 7.4 |  |
2016 | 4.5 |  |
Prior | 1.8 |  |
Revolving Loans Amortized Cost Basis | 131.2 |  |
Total loans, net of deferred fees and costs | 223.9 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 247,800,000
Other Assets Especially Mentioned |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 157,500,000
Other Assets Especially Mentioned | Non-owner occupied |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 15.4 |  |
2019 | 3.7 |  |
2018 | 0.7 |  |
2017 | 0.9 |  |
2016 | 1.7 |  |
Prior | 13.2 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 35.6 |  |
Other Assets Especially Mentioned | Commercial Real Estate |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 84,700,000
Other Assets Especially Mentioned | Land acquisition & development |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0.4 |  |
2018 | 0.1 |  |
2017 | 1.0 |  |
2016 | 0 |  |
Prior | 1.5 |  |
Revolving Loans Amortized Cost Basis | 0.3 |  |
Total loans, net of deferred fees and costs | 3.3 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 3,800,000
Other Assets Especially Mentioned | Residential |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0 |  |
2018 | 0.2 |  |
2017 | 0 |  |
2016 | 0 |  |
Prior | 0 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 0.2 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 900,000
Other Assets Especially Mentioned | Commercial |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0 |  |
2018 | 1.5 |  |
2017 | 0 |  |
2016 | 0 |  |
Prior | 0 |  |
Revolving Loans Amortized Cost Basis | 0.2 |  |
Total loans, net of deferred fees and costs | 1.7 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 1,700,000
Other Assets Especially Mentioned | Total construction |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 6,400,000
Other Assets Especially Mentioned | Residential |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 2,600,000
Other Assets Especially Mentioned | Agricultural |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0.6 |  |
2019 | 2.2 |  |
2018 | 1.0 |  |
2017 | 1.4 |  |
2016 | 0.1 |  |
Prior | 5.0 |  |
Revolving Loans Amortized Cost Basis | 0.6 |  |
Total loans, net of deferred fees and costs | 10.9 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 14,300,000
Other Assets Especially Mentioned | Real Estate Loan |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 108,000,000.0
Other Assets Especially Mentioned | Indirect consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 200,000
Other Assets Especially Mentioned | Direct consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 600,000
Other Assets Especially Mentioned | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 0
Other Assets Especially Mentioned | Total consumer loans |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 400,000
Other Assets Especially Mentioned | Commercial |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 40,400,000
Other Assets Especially Mentioned | Owner occupied |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 2.1 |  |
2019 | 1.7 |  |
2018 | 9.8 |  |
2017 | 4.7 |  |
2016 | 14.0 |  |
Prior | 17.4 |  |
Revolving Loans Amortized Cost Basis | 0.5 |  |
Total loans, net of deferred fees and costs | 50.2 |  |
Other Assets Especially Mentioned | Commercial and floor plans |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 4.3 |  |
2019 | 3.6 |  |
2018 | 5.2 |  |
2017 | 2.6 |  |
2016 | 4.5 |  |
Prior | 0.6 |  |
Revolving Loans Amortized Cost Basis | 7.4 |  |
Total loans, net of deferred fees and costs | 28.2 |  |
Other Assets Especially Mentioned | Commercial purpose secured by 1-4 family |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0.3 |  |
2019 | 2.5 |  |
2018 | 0.8 |  |
2017 | 0.8 |  |
2016 | 0.5 |  |
Prior | 1.2 |  |
Revolving Loans Amortized Cost Basis | 0.7 |  |
Total loans, net of deferred fees and costs | 6.8 |  |
Other Assets Especially Mentioned | Agricultural |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 1.1 |  |
2019 | 0.4 |  |
2018 | 1.8 |  |
2017 | 0 |  |
2016 | 0.1 |  |
Prior | 0 |  |
Revolving Loans Amortized Cost Basis | 6.0 |  |
Total loans, net of deferred fees and costs | 9.4 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 8,500,000
Substandard |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 224,000,000.0
Substandard | Non-owner occupied |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0.2 |  |
2019 | 2.9 |  |
2018 | 0.5 |  |
2017 | 1.3 |  |
2016 | 1.1 |  |
Prior | 15.0 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 21.0 |  |
Substandard | Commercial Real Estate |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 97,300,000
Substandard | Land acquisition & development |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0.1 |  |
2019 | 0.1 |  |
2018 | 0.3 |  |
2017 | 0.5 |  |
2016 | 0 |  |
Prior | 0.5 |  |
Revolving Loans Amortized Cost Basis | 0.4 |  |
Total loans, net of deferred fees and costs | 1.9 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 1,900,000
Substandard | Residential |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0 |  |
2018 | 1.2 |  |
2017 | 0 |  |
2016 | 0 |  |
Prior | 0 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 1.2 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 2,200,000
Substandard | Commercial |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 1.0 |  |
2018 | 0.4 |  |
2017 | 0 |  |
2016 | 0 |  |
Prior | 0.1 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 1.5 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 1,500,000
Substandard | Total construction |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 5,600,000
Substandard | Residential |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 7,800,000
Substandard | Agricultural |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 10.5 |  |
2018 | 4.5 |  |
2017 | 1.1 |  |
2016 | 3.6 |  |
Prior | 5.8 |  |
Revolving Loans Amortized Cost Basis | 1.9 |  |
Total loans, net of deferred fees and costs | 27.4 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 26,600,000
Substandard | Real Estate Loan |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 137,300,000
Substandard | Indirect consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 2,900,000
Substandard | Direct consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 3,700,000
Substandard | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 0
Substandard | Total consumer loans |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 800,000
Substandard | Commercial |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 60,300,000
Substandard | Owner occupied |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 6.6 |  |
2019 | 10.1 |  |
2018 | 9.7 |  |
2017 | 5.6 |  |
2016 | 19.3 |  |
Prior | 19.9 |  |
Revolving Loans Amortized Cost Basis | 0.6 |  |
Total loans, net of deferred fees and costs | 71.8 |  |
Substandard | Commercial and floor plans |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 10.5 |  |
2019 | 21.7 |  |
2018 | 8.8 |  |
2017 | 0.9 |  |
2016 | 5.2 |  |
Prior | 5.7 |  |
Revolving Loans Amortized Cost Basis | 18.7 |  |
Total loans, net of deferred fees and costs | 71.5 |  |
Substandard | Commercial purpose secured by 1-4 family |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0.3 |  |
2019 | 3.7 |  |
2018 | 6.2 |  |
2017 | 0.5 |  |
2016 | 1.3 |  |
Prior | 1.7 |  |
Revolving Loans Amortized Cost Basis | 0.1 |  |
Total loans, net of deferred fees and costs | 13.8 |  |
Substandard | Agricultural |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 5.4 |  |
2019 | 2.0 |  |
2018 | 5.1 |  |
2017 | 1.4 |  |
2016 | 0.3 |  |
Prior | 0.5 |  |
Revolving Loans Amortized Cost Basis | 8.2 |  |
Total loans, net of deferred fees and costs | 22.9 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 22,700,000
Doubtful |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 5,900,000
Doubtful | Non-owner occupied |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0 |  |
2018 | 0.2 |  |
2017 | 0 |  |
2016 | 0 |  |
Prior | 0.1 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 0.3 |  |
Doubtful | Commercial Real Estate |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 800,000
Doubtful | Land acquisition & development |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0 |  |
2018 | 0 |  |
2017 | 0 |  |
2016 | 0 |  |
Prior | 0.2 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 0.2 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 1,000,000.0
Doubtful | Residential |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0 |  |
2018 | 0.4 |  |
2017 | 0 |  |
2016 | 0 |  |
Prior | 0 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 0.4 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 0
Doubtful | Commercial |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0 |  |
2018 | 0 |  |
2017 | 0 |  |
2016 | 0 |  |
Prior | 0 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 0 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 0
Doubtful | Total construction |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 1,000,000.0
Doubtful | Residential |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 300,000
Doubtful | Agricultural |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0 |  |
2018 | 0 |  |
2017 | 0 |  |
2016 | 0 |  |
Prior | 0 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 0 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 0
Doubtful | Real Estate Loan |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 2,100,000
Doubtful | Indirect consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 0
Doubtful | Direct consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 100,000
Doubtful | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 0
Doubtful | Total consumer loans |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 100,000
Doubtful | Commercial |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 3,600,000
Doubtful | Owner occupied |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0.2 |  |
2019 | 0 |  |
2018 | 0.2 |  |
2017 | 0.1 |  |
2016 | 0.5 |  |
Prior | 0.5 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 1.5 |  |
Doubtful | Commercial and floor plans |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0.1 |  |
2019 | 1.7 |  |
2018 | 0.4 |  |
2017 | 0.2 |  |
2016 | 0 |  |
Prior | 0.4 |  |
Revolving Loans Amortized Cost Basis | 0.4 |  |
Total loans, net of deferred fees and costs | 3.2 |  |
Doubtful | Commercial purpose secured by 1-4 family |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0.1 |  |
2018 | 0.1 |  |
2017 | 0 |  |
2016 | 0 |  |
Prior | 0.2 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 0.4 |  |
Doubtful | Agricultural |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0 |  |
2018 | 0 |  |
2017 | 0 |  |
2016 | 0 |  |
Prior | 0 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 0 |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 100,000
Total Criticized Loans |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 387,400,000
Total Criticized Loans | Commercial Real Estate |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 182,800,000
Total Criticized Loans | Land acquisition & development |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 6,700,000
Total Criticized Loans | Residential |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 3,100,000
Total Criticized Loans | Commercial |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 3,200,000
Total Criticized Loans | Total construction |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 13,000,000.0
Total Criticized Loans | Residential |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 10,700,000
Total Criticized Loans | Agricultural |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 40,900,000
Total Criticized Loans | Real Estate Loan |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 247,400,000
Total Criticized Loans | Indirect consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 3,100,000
Total Criticized Loans | Direct consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 4,400,000
Total Criticized Loans | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 0
Total Criticized Loans | Total consumer loans |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 1,300,000
Total Criticized Loans | Commercial |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | 104,300,000
Total Criticized Loans | Agricultural |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
Loans and Leases Receivable, Net of Deferred Income |  |  | $ 31,300,000
Performing | Indirect consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 70.3 |  |
2019 | 267.3 |  |
2018 | 174.5 |  |
2017 | 115.6 |  |
2016 | 79.4 |  |
Prior | 66.3 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 773.4 |  |
Performing | Direct consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 13.6 |  |
2019 | 44.9 |  |
2018 | 46.6 |  |
2017 | 20.0 |  |
2016 | 9.4 |  |
Prior | 13.4 |  |
Revolving Loans Amortized Cost Basis | 26.7 |  |
Total loans, net of deferred fees and costs | 174.6 |  |
Performing | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 150.8 |  |
Performing | Multi-family |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 28.9 |  |
2019 | 78.5 |  |
2018 | 31.3 |  |
2017 | 32.4 |  |
2016 | 28.9 |  |
Prior | 102.9 |  |
Revolving Loans Amortized Cost Basis | 1.1 |  |
Total loans, net of deferred fees and costs | 304.0 |  |
Performing | Residential 1-4 family |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 33.8 |  |
2019 | 139.1 |  |
2018 | 103.1 |  |
2017 | 81.8 |  |
2016 | 96.5 |  |
Prior | 346.4 |  |
Revolving Loans Amortized Cost Basis | 0.2 |  |
Total loans, net of deferred fees and costs | 800.9 |  |
Performing | Consumer Home Equity and HELOC |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 3.4 |  |
2019 | 12.4 |  |
2018 | 11.1 |  |
2017 | 14.6 |  |
2016 | 5.9 |  |
Prior | 22.0 |  |
Revolving Loans Amortized Cost Basis | 358.0 |  |
Total loans, net of deferred fees and costs | 427.4 |  |
Nonperforming | Indirect consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0.4 |  |
2018 | 0.4 |  |
2017 | 0.1 |  |
2016 | 0.1 |  |
Prior | 0.2 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 1.2 |  |
Nonperforming | Direct consumer |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0.1 |  |
2018 | 0.1 |  |
2017 | 0.1 |  |
2016 | 0.1 |  |
Prior | 0 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 0.4 |  |
Nonperforming | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 1.7 |  |
Nonperforming | Multi-family |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0 |  |
2018 | 0 |  |
2017 | 0 |  |
2016 | 0 |  |
Prior | 0 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 0 |  |
Nonperforming | Residential 1-4 family |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0.2 |  |
2018 | 0 |  |
2017 | 0 |  |
2016 | 0.6 |  |
Prior | 1.2 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 2.0 |  |
Nonperforming | Consumer Home Equity and HELOC |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
2019 | 0 |  |
2018 | 0.1 |  |
2017 | 0.2 |  |
2016 | 0.3 |  |
Prior | 0.1 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Total loans, net of deferred fees and costs | 0.7 |  |
Agricultural | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 1.7 |  |
Agricultural | Performing | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 1.7 |  |
Agricultural | Nonperforming | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0 |  |
Commercial | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 74.2 |  |
Commercial | Performing | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 73.4 |  |
Commercial | Nonperforming | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 0.8 |  |
Total consumer loans | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 76.6 |  |
Total consumer loans | Performing | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | 75.7 |  |
Total consumer loans | Nonperforming | Credit card |  |  |
Loans and Leases Receivable Recorded Investment, Criticized Loans [Line Items] |  |  |
2020 | $ 0.9 |  |

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