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Long-Term Borrowings - Schedules of long-term Borrowings (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020 | Feb. 26, 2020 | Jul. 26, 2016 | Aug. 05, 2014
--- | --- | --- | --- | --- | ---
Long-Term Borrowings |  |  |  |  |
Less: unamortized debt issuance costs | $ (1,727) | $ (1,923) |  |  |
Long-term borrowings | 218,273 | 268,077 |  |  |
Subordinated Notes, 5.75% |  |  |  |  |
Long-Term Borrowings |  |  |  |  |
Long-term borrowings, gross | $ 70,000 | 70,000 |  |  |
Interest rate (as a percent) | 5.75% |  |  |  | 5.75%
Subordinated Notes, 5.0% |  |  |  |  |
Long-Term Borrowings |  |  |  |  |
Long-term borrowings, gross | $ 150,000 | 150,000 |  |  |
Interest rate (as a percent) | 5.00% |  |  | 5.00% |
FHLB Advance, 1.81% |  |  |  |  |
Long-Term Borrowings |  |  |  |  |
Long-term borrowings, gross | $ 0 | $ 50,000 | $ 50,000 |  |
Interest rate (as a percent) |  |  | 1.81% |  |

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