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Loans (Loans Purchased and/or Sold During the Year) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | $ 0 | $ 2,051
Sales | 3,128 | 0
Commercial and Industrial Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 2,051
Sales | 0 | 0
Commercial Real Estate Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | 3,128 | 0
Agricultural Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | 0 | 0
Leases |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | 0 | 0
Consumer Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | 0 | 0
Home Equity Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | 0 | 0
Credit Cards |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | 0 | 0
Residential Mortgage Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Purchases | 0 | 0
Sales | $ 0 | $ 0

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