Loans and the Allowance for Loan Losses, Activity In Period (Details) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
		Jun. 30, 2021 USD ($) qtr	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) qtr Period	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) Period
Changes in Accounting Methodology [Abstract]
Number of migration periods | Period				8		8
Number of quarters remains on each migration period | qtr		12		12
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				$ 9,541	$ 9,660	$ 9,660
Charges-offs				(625)		(2,005)
Recoveries				407		886
Provision for loan losses		$ 0	$ 300	150	600	1,000
Ending Balance		9,473		9,473		9,541
Individually evaluated for impairment		51		51		11
Collectively evaluated for impairment		9,422		9,422		9,530
Purchased credit-impaired loans		0		0		0
Ending Balance		9,473		9,473		9,541
Loan Balances [Abstract]
Individually evaluated for impairment		2,267		2,267		2,116
Collectively evaluated for impairment		830,406		830,406		834,184
Purchased credit-impaired loans		0		0		0
Ending Balance		832,673		832,673		836,300
Commercial and Industrial [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				650	1,244	1,244
Charges-offs				(4)		(25)
Recoveries				21		47
Provision for loan losses				54		(616)
Ending Balance		721		721		650
Individually evaluated for impairment		0		0		0
Collectively evaluated for impairment		721		721		650
Purchased credit-impaired loans		0		0		0
Ending Balance		721		721		650
Loan Balances [Abstract]
Individually evaluated for impairment		3		3		6
Collectively evaluated for impairment		119,908		119,908		141,740
Purchased credit-impaired loans		0		0		0
Ending Balance		119,911		119,911		141,746
Real Estate [Member]
Loan Balances [Abstract]
Purchased credit-impaired loans		0		0		0
Ending Balance		587,867		587,867		568,119
Real Estate [Member] | Construction [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				339	258	258
Charges-offs				0		0
Recoveries				0		10
Provision for loan losses				77		71
Ending Balance		416		416		339
Individually evaluated for impairment		0		0		0
Collectively evaluated for impairment		416		416		339
Purchased credit-impaired loans		0		0		0
Ending Balance		416		416		339
Loan Balances [Abstract]
Individually evaluated for impairment		211		211		83
Collectively evaluated for impairment		50,603		50,603		43,649
Purchased credit-impaired loans		0		0		0
Ending Balance		50,814		50,814		43,732
Real Estate [Member] | Mortgage [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance	[1]			2,560	2,505	2,505
Charges-offs	[1]			(1)		(149)
Recoveries	[1]					69
Provision for loan losses	[1]			(150)		135
Ending Balance	[1]	2,465		2,465		2,560
Individually evaluated for impairment	[1]	39		39		10
Collectively evaluated for impairment	[1]	2,426		2,426		2,550
Purchased credit-impaired loans	[1]	0		0		0
Ending Balance	[1]	2,465		2,465		2,560
Loan Balances [Abstract]
Individually evaluated for impairment	[1]	512		512		586
Collectively evaluated for impairment	[1]	199,200		199,200		206,950
Purchased credit-impaired loans	[1]	0		0		0
Ending Balance	[1]	199,712		199,712		207,536
Real Estate [Member] | Commercial [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				4,434	3,663	3,663
Charges-offs				0		(654)
Recoveries				1		317
Provision for loan losses				(39)		1,108
Ending Balance		4,396		4,396		4,434
Individually evaluated for impairment		12		12		1
Collectively evaluated for impairment		4,384		4,384		4,433
Purchased credit-impaired loans		0		0		0
Ending Balance		4,396		4,396		4,434
Loan Balances [Abstract]
Individually evaluated for impairment		1,530		1,530		1,427
Collectively evaluated for impairment		335,811		335,811		315,424
Purchased credit-impaired loans		0		0		0
Ending Balance		337,341		337,341		316,851
Consumer [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance	[2]			1,302	1,694	1,694
Charges-offs	[2]			(434)		(822)
Recoveries	[2]			250		377
Provision for loan losses	[2]			170		53
Ending Balance	[2]	1,288		1,288		1,302
Individually evaluated for impairment	[2]	0		0		0
Collectively evaluated for impairment	[2]	1,288		1,288		1,302
Purchased credit-impaired loans	[2]	0		0		0
Ending Balance	[2]	1,288		1,288		1,302
Loan Balances [Abstract]
Individually evaluated for impairment	[2]	11		11		14
Collectively evaluated for impairment	[2]	116,523		116,523		118,354
Purchased credit-impaired loans	[2]	0		0		0
Ending Balance	[2]	116,534		116,534		118,368
Other [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				123	296	296
Charges-offs				(186)		(355)
Recoveries				79		66
Provision for loan losses				148		116
Ending Balance		164		164		123
Individually evaluated for impairment		0		0		0
Collectively evaluated for impairment		164		164		123
Purchased credit-impaired loans		0		0		0
Ending Balance		164		164		123
Loan Balances [Abstract]
Individually evaluated for impairment		0		0		0
Collectively evaluated for impairment		8,361		8,361		8,067
Purchased credit-impaired loans		0		0		0
Ending Balance	[3]	8,361		8,361		8,067
Unallocated [Member]
Allowance for loan losses by segment [Roll Forward]
Beginning Balance				133	$ 0	0
Charges-offs				0		0
Recoveries				0		0
Provision for loan losses				(110)		133
Ending Balance		23		23		133
Individually evaluated for impairment		0		0		0
Collectively evaluated for impairment		23		23		133
Ending Balance		23		23		133
Loan Balances [Abstract]
Individually evaluated for impairment		0		0		0
Collectively evaluated for impairment		0		0		0
Ending Balance		$ 0		$ 0		$ 0

[1] The real estate-mortgage segment includes residential 1 – 4 family, second mortgages and equity lines of credit.

[2] The consumer segment includes consumer automobile loans.

[3] Overdrawn accounts are reclassified as loans and included in the Other category in the table above.  Overdrawn deposit accounts, excluding internal use accounts, totaled $254 thousand and $271 thousand at June 30, 2021 and December 31, 2020, respectively.