Premises and Equipment And Lease Commitments Premises and Equipment and Held for Sale Premises and Equipment (Reconciliation of Undiscounted Cash Flows) (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Property, Plant and Equipment [Abstract]
Within one year	$ 697
After one but within two years	670
After two but within three years	602
After three but within four years	612
After four but within five years	620
After five years	8,773
Total undiscounted cash flows	11,974
Discount on cash flows	3,479
Lease liabilities - operating leases	$ 8,495