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Loans - Impaired Financing Receivables with Related and not Related Allowances (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2020
With no related allowance recorded: |  |
Average Recorded Investment, Total | $ 27,723 | $ 26,774
Interest Income Recognized, Total | 158 | 566
Cash Basis Interest Recognized, Total | 158 | 566
Commercial, industrial and agricultural |  |
With an allowance recorded: |  |
Average Recorded Investment | 2,409 | 3,341
Interest Income Recognized | 33 | 78
Cash Basis Interest Recognized | 33 | 78
With no related allowance recorded: |  |
Average Recorded Investment | 5,623 | 6,392
Interest Income Recognized | 51 | 142
Cash Basis Interest Recognized | 51 | 142
Commercial mortgages |  |
With an allowance recorded: |  |
Average Recorded Investment | 4,002 | 4,166
Interest Income Recognized | 0 | 41
Cash Basis Interest Recognized | 0 | 41
With no related allowance recorded: |  |
Average Recorded Investment | 14,758 | 12,178
Interest Income Recognized | 59 | 283
Cash Basis Interest Recognized | 59 | 283
Residential real estate |  |
With an allowance recorded: |  |
Average Recorded Investment | 819 | 641
Interest Income Recognized | 11 | 16
Cash Basis Interest Recognized | 11 | 16
With no related allowance recorded: |  |
Average Recorded Investment | 112 | 56
Interest Income Recognized | 4 | 6
Cash Basis Interest Recognized | $ 4 | $ 6

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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524 + Details
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