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Loans - Impaired Financing Receivables with Related and not Related Allowances (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
With no related allowance recorded: |  |  |  |
Average Recorded Investment, Total | $ 16,633 | $ 23,392 | $ 17,058 | $ 21,774
Interest Income Recognized, Total | 129 | 155 | 286 | 254
Cash Basis Interest Recognized, Total | 129 | 155 | 286 | 254
Commercial, industrial, and agricultural |  |  |  |
With an allowance recorded: |  |  |  |
Average Recorded Investment | 1,273 | 3,838 | 1,861 | 3,197
Interest Income Recognized | 27 | 21 | 65 | 43
Cash Basis Interest Recognized | 27 | 21 | 65 | 43
With no related allowance recorded: |  |  |  |
Average Recorded Investment | 3,811 | 5,326 | 3,499 | 5,045
Interest Income Recognized | 32 | 45 | 86 | 91
Cash Basis Interest Recognized | 32 | 45 | 86 | 91
Commercial mortgages |  |  |  |
With an allowance recorded: |  |  |  |
Average Recorded Investment | 7,807 | 8,738 | 7,441 | 9,069
Interest Income Recognized | 46 | 56 | 86 | 74
Cash Basis Interest Recognized | 46 | 56 | 86 | 74
With no related allowance recorded: |  |  |  |
Average Recorded Investment | 3,257 | 5,490 | 3,767 | 4,463
Interest Income Recognized | 20 | 33 | 38 | 46
Cash Basis Interest Recognized | 20 | 33 | 38 | 46
Residential real estate |  |  |  |
With an allowance recorded: |  |  |  |
Average Recorded Investment | 0 | 0 | 0 | 0
Interest Income Recognized | 0 | 0 | 0 | 0
Cash Basis Interest Recognized | 0 | 0 | 0 | 0
With no related allowance recorded: |  |  |  |
Average Recorded Investment | 485 | 0 | 490 | 0
Interest Income Recognized | 4 | 0 | 11 | 0
Cash Basis Interest Recognized | $ 4 | $ 0 | $ 11 | $ 0

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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=118936363&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=118936363&loc=d3e5258-111524 + Details
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