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v3.20.1

Investment Securities (Narrative) (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 USD ($) Security | Dec. 31, 2019 USD ($) Security
Schedule Of Investments [Line Items] |  |
Securities pledged as collateral | $ 660,100,000 | $ 676,900,000
Number of security positions, unrealized loss position | Security | 6 | 91
Number of security positions, unrealized loss position for more than 12 months | Security | 1 | 34
Securities, 12 months or longer, Fair Value | $ 8,000 | $ 47,202,000
Securities, 12 months or longer, Unrealized Losses |  | $ 659,000
Number of security positions, unrealized loss position for less than 12 months | Security | 5 | 57
Securities, less than 12 months, Fair Value | $ 19,752,000 | $ 178,723,000
Securities, less than 12 months, Unrealized Losses | 466,000 | 1,595,000
Available for sale securities, allowance for credit loss | 0 |
Debt securities, held-to-maturity | 346,252,000 | 359,000,000
Investment securities, past due | 19,930,000 | 7,081,000
Investment securities, nonaccrual | 12,382,000 | 8,634,000
Municipal Bonds [Member] |  |
Schedule Of Investments [Line Items] |  |
Debt securities, held-to-maturity | 180,000,000 |
Internally rated held-to-maturity securities | 7,100,000 |
Municipal Bonds [Member] | Below Investment Grade [Member] |  |
Schedule Of Investments [Line Items] |  |
Investment grade rating exposure | $ 278,000 |
Investment grade rating exposure percentage | 0.15% |
Maximum [Member] |  |
Schedule Of Investments [Line Items] |  |
Securities, 12 months or longer, Unrealized Losses | $ 1,000 |
Available for Sale Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Accrued interest receivable | 1,000,000 | 1,000,000
Held To Maturity Investment Securities [Member] |  |
Schedule Of Investments [Line Items] |  |
Accrued interest receivable | 1,700,000 | $ 1,200,000
Investment securities, past due | 0 |
Investment securities, nonaccrual | $ 0 |

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