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 |