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Loans - Schedule of Loans by Class (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Loans and Leases Receivable |  |
Loans held for investment | $ 8,930.7 | $ 8,470.4
Mortgage loans held for sale | 100.9 | 33.3
Total loans | 9,031.6 | 8,503.7
Commercial |  |
Loans and Leases Receivable |  |
Loans held for investment | $ 3,484.7 | 3,235.4
Loans receivable, maturity | 5 years |
Residential |  |
Loans and Leases Receivable |  |
Loans held for investment | $ 244.1 | 242.8
Commercial |  |
Loans and Leases Receivable |  |
Loans held for investment | 431.5 | 274.3
Total construction loans |  |
Loans and Leases Receivable |  |
Loans held for investment | 977.7 | 838.7
Residential |  |
Loans and Leases Receivable |  |
Loans held for investment | $ 1,546.1 | 1,542.0
Loans receivable, maturity | 15 years |
Agricultural |  |
Loans and Leases Receivable |  |
Loans held for investment | $ 226.6 | 217.4
Total real estate loans |  |
Loans and Leases Receivable |  |
Loans held for investment | 6,235.1 | 5,833.5
Indirect consumer |  |
Loans and Leases Receivable |  |
Loans held for investment | 784.6 | 787.8
Other consumer |  |
Loans and Leases Receivable |  |
Loans held for investment | 179.0 | 200.6
Credit card consumer |  |
Loans and Leases Receivable |  |
Loans held for investment | 81.6 | 81.8
Total consumer loans |  |
Loans and Leases Receivable |  |
Loans held for investment | 1,045.2 | 1,070.2
Commercial |  |
Loans and Leases Receivable |  |
Loans held for investment | 1,371.3 | 1,310.3
Agricultural |  |
Loans and Leases Receivable |  |
Loans held for investment | 279.1 | 254.8
Other, including overdrafts |  |
Loans and Leases Receivable |  |
Loans held for investment | 0.0 | 1.6
Loans held for investment |  |
Loans and Leases Receivable |  |
Loans held for investment | 8,930.7 | 8,470.4
Mortgage loans originated for sale |  |
Loans and Leases Receivable |  |
Mortgage loans held for sale | 100.9 | 33.3
Total loans |  |
Loans and Leases Receivable |  |
Total loans | 9,031.6 | 8,503.7
Home equity line of credit |  |
Loans and Leases Receivable |  |
Loans held for investment | $ 423.5 | $ 409.5
Loans receivable, loan to value limit | 80.00% |

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