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Variable Interest Entities (Investment in LIHTC Partnership) (Details) - Liberty Mews Limited Partnership [Member] - Variable Interest Entity, Primary Beneficiary [Member] - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Variable Interest Entity [Line Items]    
Investment (Other Assets) $ 1,115 $ 1,860
Maximum exposure to loss $ 1,115 $ 1,860