Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Thousands		Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Commitments and Contingencies Disclosure [Line Items]
Adoption of Topic 326	[1]		$ 1,483
Allowance for credit losses on unfunded commitments		$ 2,039		$ 293
Commitments to extend credit on standby letters of credit [Member] | Commitments to extend credit [Member]
Commitments and Contingencies Disclosure [Line Items]
Contract amount		$ 9,431		$ 13,710
Unfunded Loan Commitment [Member]
Commitments and Contingencies Disclosure [Line Items]
Adoption of Topic 326	[1]		$ 1,500

[1] Adoption of the CECL accounting standard effective January 1, 2020.