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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%