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v3.20.2

Investment Securities - Allowance for Credit Losses AFS (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2020 | Dec. 31, 2019
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | $ 609 | $ 0 |
Credit losses on securities not previously recorded | 1,160 | 1,208 |
Reduction due to sales | (294) | (244) |
Net decrease in allowance on previously impaired securities | (267) | (129) |
Ending balance, September 30, 2020 | 1,208 | $ 1,208 | $ 0
Accounting Standards Update [Extensible List] |  | us-gaap:AccountingStandardsUpdate201613Member | us-gaap:AccountingStandardsUpdate201613Member
Impact of ASU 2016-13 adoption |  |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance |  | $ 373 |
Ending balance, September 30, 2020 |  |  | $ 373
State and political subdivisions |  |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | 371 | 0 |
Credit losses on securities not previously recorded | 1,137 | 1,130 |
Reduction due to sales | (294) | (244) |
Net decrease in allowance on previously impaired securities | (66) | (111) |
Ending balance, September 30, 2020 | 1,148 | 1,148 | 0
State and political subdivisions | Impact of ASU 2016-13 adoption |  |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance |  | 373 |
Ending balance, September 30, 2020 |  |  | 373
Other securities |  |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | 238 | 0 |
Credit losses on securities not previously recorded | 23 | 78 |
Reduction due to sales | 0 | 0 |
Net decrease in allowance on previously impaired securities | (201) | (18) |
Ending balance, September 30, 2020 | $ 60 | 60 | 0
Other securities | Impact of ASU 2016-13 adoption |  |  |
Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance |  | $ 0 |
Ending balance, September 30, 2020 |  |  | $ 0

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