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Long-Term Borrowings and Subordinated Debt - Scheduled Annual Maturities and Average Interest Rates (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Debt Disclosure [Abstract] |  |  |
2020 Balance | $ 27,058 |  |
2021 Balance | 1,115 |  |
2022 Balance | 7,592 |  |
2023 Balance | 464 |  |
2024 Balance | 13,381 |  |
Thereafter Balance | 1,258 |  |
Total Long-term Balance | $ 50,868 | $ 70,314 | $ 47,301
2021 Average Rate | 2.91% |  |
2020 Average Rate | 3.57% |  |
2022 Average Rate | 2.24% |  |
2023 Average Rate | 5.71% |  |
2024 Average Rate | 1.71% |  |
Thereafter Average Rate | 5.83% |  |
Total Average Rate | 2.61% |  |

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