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Loans and Allowance - Subsequent Default (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
loan
Dec. 31, 2018
USD ($)
loan
Financing Receivable, Impaired [Line Items]    
Number of Loans | loan 1 2
Recorded Balance | $ $ 37 $ 75
Residential    
Financing Receivable, Impaired [Line Items]    
Number of Loans | loan 1 2
Recorded Balance | $ $ 37 $ 75