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v3.19.3.a.u2

Borrowings - Senior notes and Subordinate Notes (Details) - USD ($) $ in Thousands | May 25, 2017 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Senior notes |  |  |
Long-term debt |  |  |
Issuance of debt | $ 40,000 |  |
Interest rate (as a percent) | 3.75% |  |
Unamortized debt issuance cost |  | $ 300 | $ 500
Subordinated debt |  |  |
Long-term debt |  |  |
Issuance of debt | $ 60,000 |  |
Interest rate (as a percent) | 4.75% |  |
Term of debt instrument | 5 years |  |
Unamortized debt issuance cost |  | $ 800 | $ 900
Three-month LIBOR | Subordinated debt |  |  |
Long-term debt |  |  |
Floating interest rate margin (as a percent) | 2.919% |  |

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