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Long-term Debt - Summary of Information Concerning Long-term FHLB Advances and Other Borrowings (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Debt Disclosure [Abstract]    
Long-term Federal Home Loan Bank advances, total $ 0 $ 0
Average balance during the year 5,288
Maximum month-end balance during the year $ 10,000
Average rate paid during the year 1.90%