Fair Value Accounting (Schedule of Assets And Liabilities Measured at Fair Value on Recurring Basis) (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Securities available for sale
US treasuries	$ 1,000
US government agencies	14,277	$ 6,493
SBA securities	445	485
State and political subdivisions	22,707	19,388
Asset-backed securities	10,569	11,529
Mortgage-backed securities	64,804	56,834
Mortgage loans held for sale	31,641	60,257
Mortgage loan interest rate lock commitments	609	2,385
Total assets measured at fair value on a recurring basis	146,052	157,371
Liabilities
MBS forward sales commitments	(169)
Total liabilities measured at fair value on a recurring basis	(169)
MBS forward sales commitments		501
Total liabilities measured at fair value on a recurring basis		501
Fair Value, Inputs, Level 1 [Member]
Securities available for sale
US treasuries
US government agencies
SBA securities
State and political subdivisions
Asset-backed securities
Mortgage-backed securities
Mortgage loans held for sale
Mortgage loan interest rate lock commitments
Total assets measured at fair value on a recurring basis
Liabilities
MBS forward sales commitments
Total liabilities measured at fair value on a recurring basis
MBS forward sales commitments
Total liabilities measured at fair value on a recurring basis
Fair Value, Inputs, Level 2 [Member]
Securities available for sale
US treasuries	1,000
US government agencies	14,277	6,493
SBA securities	445	485
State and political subdivisions	22,707	19,388
Asset-backed securities	10,569	11,529
Mortgage-backed securities	64,804	56,834
Mortgage loans held for sale	31,641	60,257
Mortgage loan interest rate lock commitments	609	2,385
Total assets measured at fair value on a recurring basis	146,052	157,371
Liabilities
MBS forward sales commitments	(169)
Total liabilities measured at fair value on a recurring basis	(169)
MBS forward sales commitments		501
Total liabilities measured at fair value on a recurring basis		501
Fair Value, Inputs, Level 3 [Member]
Securities available for sale
US treasuries
US government agencies
SBA securities
State and political subdivisions
Asset-backed securities
Mortgage-backed securities
Mortgage loans held for sale
Mortgage loan interest rate lock commitments
Total assets measured at fair value on a recurring basis
Liabilities
MBS forward sales commitments
Total liabilities measured at fair value on a recurring basis
MBS forward sales commitments
Total liabilities measured at fair value on a recurring basis