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Basis of Presentation - Recently Adopted Accounting Pronouncements (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Jan. 01, 2020
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Effect of adopting Accounting Standards Update (ASU)   $ 4  
Financing receivable, allowance for credit loss, period increase (decrease) $ (475)    
Debt securities, held-to-maturity, allowance for credit loss, period increase (decrease) 1,300    
Decrease in off-balance sheet credit exposure 788    
Purchased credit impaired (“PCI”) loans     $ 13,300
Financing receivable, allowance for credit losses, effect of change in method $ 3,200