Related-party Transactions (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Related party deposit liabilities	$ 1,546	$ 3,467
Lease for Office Space with Related Party [Member]
Payments for rent	28	28
Law Firm, Directors [Member] \| Services of Law Firm [Member]
Related party transaction, amounts of transaction	$ 6	$ 11

Cash payments to lessor's for use of assets under operating leases.

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