Securities Portfolio (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) Security	Dec. 31, 2018 USD ($) Security
Debt Securities, Available-for-sale [Abstract]
Amortized cost	$ 145,815
Fair value	145,715
Amortized cost and fair value of securities available-for-sale [Abstract]
Amortized cost	145,815	$ 150,976
Gross unrealized gains	1,083	298
Gross unrealized losses	(1,183)	(3,027)
Fair value	$ 145,715	148,247
Number of securities exceeding ten percent of stockholders' equity | Security	0
Available-for-Sale, Amortized Cost [Abstract]
Due in one year or less	$ 1,655
Due after one year through five years	15,702
Due after five through ten years	36,667
Due after ten years	87,966
Other securities, restricted	3,825
Total securities	145,815
Available-for-Sale, Fair Value [Abstract]
Due in one year or less	1,664
Due after one year through five years	15,758
Due after five through ten years	36,767
Due after ten years	87,701
Other securities, restricted	3,825
Total securities	145,715
Securities Available-for-sale [Abstract]
Realized gains on sales of securities	575	131
Realized losses on sales of securities	(261)	(11)
Net realized gain	314	120
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Less Than Twelve Months	979	59
More Than Twelve Months	204	2,968
Total	1,183	3,027
Securities Available-for-Sale, Fair Value [Abstract]
Less Than Twelve Months	84,517	14,427
More Than Twelve Months	16,837	91,252
Total	$ 101,354	$ 105,679
Securities Available-for-Sale, Number of Securities [Abstract]
Number of Securities | Security	47	88
Collateral Pledged [Member]
Amortized cost and fair value of securities available-for-sale [Abstract]
Securities pledged as collateral	$ 74,000	$ 59,900
U.S. Treasury Securities [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized cost	6,925	12,323
Gross unrealized gains	78	6
Gross unrealized losses	0	(1)
Fair value	7,003	12,328
Available-for-Sale, Amortized Cost [Abstract]
Total securities	6,925	12,323
Available-for-Sale, Fair Value [Abstract]
Total securities	7,003	12,328
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Less Than Twelve Months		1
More Than Twelve Months		0
Total		1
Securities Available-for-Sale, Fair Value [Abstract]
Less Than Twelve Months		2,484
More Than Twelve Months		0
Total		$ 2,484
Securities Available-for-Sale, Number of Securities [Abstract]
Number of Securities | Security		1
Obligations of US Government Agencies [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized cost	33,998	$ 10,868
Gross unrealized gains	9	2
Gross unrealized losses	(403)	(156)
Fair value	33,604	10,714
Available-for-Sale, Amortized Cost [Abstract]
Total securities	33,998	10,868
Available-for-Sale, Fair Value [Abstract]
Total securities	33,604	10,714
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Less Than Twelve Months	349	47
More Than Twelve Months	54	109
Total	403	156
Securities Available-for-Sale, Fair Value [Abstract]
Less Than Twelve Months	29,744	6,014
More Than Twelve Months	2,562	3,206
Total	$ 32,306	$ 9,220
Securities Available-for-Sale, Number of Securities [Abstract]
Number of Securities | Security	22	15
Obligations of State and Political Subdivisions [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized cost	$ 24,525	$ 49,194
Gross unrealized gains	442	155
Gross unrealized losses	(225)	(512)
Fair value	24,742	48,837
Available-for-Sale, Amortized Cost [Abstract]
Total securities	24,525	49,194
Available-for-Sale, Fair Value [Abstract]
Total securities	24,742	48,837
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Less Than Twelve Months	225	10
More Than Twelve Months	0	502
Total	225	512
Securities Available-for-Sale, Fair Value [Abstract]
Less Than Twelve Months	10,112	5,829
More Than Twelve Months	0	23,727
Total	$ 10,112	$ 29,556
Securities Available-for-Sale, Number of Securities [Abstract]
Number of Securities | Security	7	45
Mortgage-Backed Securities [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized cost	$ 72,000	$ 73,444
Gross unrealized gains	460	93
Gross unrealized losses	(552)	(2,346)
Fair value	71,908	71,191
Available-for-Sale, Amortized Cost [Abstract]
Total securities	72,000	73,444
Available-for-Sale, Fair Value [Abstract]
Total securities	71,908	71,191
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Less Than Twelve Months	405	0
More Than Twelve Months	147	2,346
Total	552	2,346
Securities Available-for-Sale, Fair Value [Abstract]
Less Than Twelve Months	44,661	0
More Than Twelve Months	14,078	63,930
Total	$ 58,739	$ 63,930
Securities Available-for-Sale, Number of Securities [Abstract]
Number of Securities | Security	17	24
Money Market Investments [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized cost	$ 3,825	$ 1,897
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Fair value	3,825	1,897
Available-for-Sale, Amortized Cost [Abstract]
Total securities	3,825	1,897
Available-for-Sale, Fair Value [Abstract]
Total securities	3,825	1,897
Corporate Bonds and Other Securities [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized cost	4,542	3,250
Gross unrealized gains	94	42
Gross unrealized losses	(3)	(12)
Fair value	4,633	3,280
Available-for-Sale, Amortized Cost [Abstract]
Total securities	4,542	3,250
Available-for-Sale, Fair Value [Abstract]
Total securities	4,633	3,280
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Less Than Twelve Months	0	1
More Than Twelve Months	3	11
Total	3	12
Securities Available-for-Sale, Fair Value [Abstract]
Less Than Twelve Months	0	100
More Than Twelve Months	197	389
Total	$ 197	$ 489
Securities Available-for-Sale, Number of Securities [Abstract]
Number of Securities | Security	1	3
Municipal Obligations, Mortgage-Backed Securities, and Other Securities [Member]
Debt Securities, Available-for-sale [Abstract]
Gross unrealized losses	$ (204)	$ (3,000)
Fair value	16,800	91,300
Available-for-Sale, Fair Value [Abstract]
Total securities	$ 16,800	$ 91,300
Securities Available-for-Sale, Number of Securities [Abstract]
Number of Securities | Security	10	65