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Loans and Leases - Nonaccrual Loans (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccrual Loans with no Allowance for Credit Losses | $ 22,268,000 | $ 22,268,000 |
Nonaccrual | 23,183,000 | 23,183,000 | $ 24,281,000
Loans Past Due Over 89 Days and Accruing | 0 | 0 | 794,000
Interest on nonaccrual loans | 0 | 0 |
Commercial and industrial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccrual Loans with no Allowance for Credit Losses | 1,877,000 | 1,877,000 |
Nonaccrual | 2,014,000 | 2,014,000 | 2,335,000
Loans Past Due Over 89 Days and Accruing | 0 | 0 | 2,000
Commercial and industrial | Commercial and industrial other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccrual Loans with no Allowance for Credit Losses | 1,877,000 | 1,877,000 |
Nonaccrual | 2,014,000 | 2,014,000 | 2,335,000
Loans Past Due Over 89 Days and Accruing | 0 | 0 | 2,000
Commercial and industrial | Agriculture |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccrual |  |  | 0
Loans Past Due Over 89 Days and Accruing |  |  | 0
Commercial real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccrual Loans with no Allowance for Credit Losses | 8,439,000 | 8,439,000 |
Nonaccrual | 9,217,000 | 9,217,000 | 10,789,000
Loans Past Due Over 89 Days and Accruing | 0 | 0 | 542,000
Commercial real estate | Commercial and industrial other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccrual Loans with no Allowance for Credit Losses | 6,880,000 | 6,880,000 |
Nonaccrual | 9,094,000 | 9,094,000 | 10,789,000
Loans Past Due Over 89 Days and Accruing | 0 | 0 | 542,000
Commercial real estate | Agriculture |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccrual Loans with no Allowance for Credit Losses | 1,559,000 | 1,559,000 |
Nonaccrual | 123,000 | 123,000 | 0
Loans Past Due Over 89 Days and Accruing | 0 | 0 | 0
Residential real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccrual Loans with no Allowance for Credit Losses | 11,555,000 | 11,555,000 |
Nonaccrual | 11,555,000 | 11,555,000 | 10,882,000
Loans Past Due Over 89 Days and Accruing | 0 | 0 | 250,000
Residential real estate | Home equity |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccrual Loans with no Allowance for Credit Losses | 2,279,000 | 2,279,000 |
Nonaccrual | 2,279,000 | 2,279,000 | 2,796,000
Loans Past Due Over 89 Days and Accruing | 0 | 0 | 55,000
Residential real estate | Mortgages |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccrual Loans with no Allowance for Credit Losses | 9,276,000 | 9,276,000 |
Nonaccrual | 9,276,000 | 9,276,000 | 8,086,000
Loans Past Due Over 89 Days and Accruing | 0 | 0 | 195,000
Consumer and other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccrual Loans with no Allowance for Credit Losses | 397,000 | 397,000 |
Nonaccrual | 397,000 | 397,000 | 275,000
Loans Past Due Over 89 Days and Accruing | 0 | 0 | 0
Consumer and other | Commercial and industrial other |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccrual Loans with no Allowance for Credit Losses | 203,000 | 203,000 |
Nonaccrual | 203,000 | 203,000 | 158,000
Loans Past Due Over 89 Days and Accruing | 0 | 0 | 0
Consumer and other | Indirect |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccrual Loans with no Allowance for Credit Losses | 194,000 | 194,000 |
Nonaccrual | 194,000 | 194,000 | 117,000
Loans Past Due Over 89 Days and Accruing | 0 | 0 | 0
Leases |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Nonaccrual Loans with no Allowance for Credit Losses | 0 | 0 |
Nonaccrual | 0 | 0 | 0
Loans Past Due Over 89 Days and Accruing | $ 0 | $ 0 | $ 0

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