Revenue Recognition (Noninterest Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Noninterest Income (in scope of Topic 606)	$ 1,606	$ 1,461	$ 4,057	$ 4,042
Net realized gains on sales of securities	33	169	71	233
Loan servicing fees	52	15	68	53
Gain on sales of loans	164	15	285	125
Earnings on and proceeds from bank-owned life insurance	217	222	638	630
Noninterest Income (out-of-scope of Topic 606)	466	421	1,062	1,041
Total other income	2,072	1,882	5,119	5,083
Service Charges On Deposit Accounts [Member]
Noninterest Income (in scope of Topic 606)	93	72	278	205
ATM Fees [Member]
Noninterest Income (in scope of Topic 606)	155	106	354	287
Overdraft Fees [Member]
Noninterest Income (in scope of Topic 606)	224	323	715	1,017
Safe Deposit Box Rental [Member]
Noninterest Income (in scope of Topic 606)	26	22	79	71
Loan Related Service Fees [Member]
Noninterest Income (in scope of Topic 606)	282	228	464	451
Debit Card [Member]
Noninterest Income (in scope of Topic 606)	443	370	1,154	1,067
Fiduciary Activities [Member]
Noninterest Income (in scope of Topic 606)	205	167	533	454
Commissions On Mutual Funds And Annuities [Member]
Noninterest Income (in scope of Topic 606)	26	30	89	111
Other Income [Member]
Noninterest Income (in scope of Topic 606)	$ 152	$ 143	$ 391	$ 379