Securities (Narrative) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2021 USD ($) state	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Debt Securities, Available-for-sale and Held-to-maturity [Abstract]
Number of states with highest volume of state and political subdivision securities | state	5
Accrued Interest Receivable Debt Securities Available for Sale	$ 1,800		$ 1,700
Debt Securities, Available-for-sale, Allowance for Credit Loss	0
Accrued Interest Receivable Debt Security Held to Maturity	1,100		1,200
Debt Securities, Held-to-maturity, Noncurrent	0		0
Debt Securities, Held-to-maturity, Nonaccrual	0		0
Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities	0	$ 0
Debt Securities, Held-to-maturity, Allowance for Credit Loss	$ 0		$ 0