Securities (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($) Security	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) Security	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($) Security
Debt Securities, Available-for-sale [Abstract]
Amortized cost	$ 163,731		$ 163,731		$ 145,815
Gross unrealized gains	5,355		5,355		1,083
Gross unrealized losses	(539)		(539)		(1,183)
Fair value	168,547		168,547		145,715
Available-for-Sale, Amortized Cost [Abstract]
Due in one year or less	8,529		8,529
Due after one year through five years	3,290		3,290
Due after five through ten years	41,420		41,420
Due after ten years	105,510		105,510
Other securities, restricted	4,982		4,982
Total securities	163,731		163,731		145,815
Available-for-Sale, Fair Value [Abstract]
Due in one year or less	8,641		8,641
Due after one year through five years	3,417		3,417
Due after five through ten years	43,059		43,059
Due after ten years	108,448		108,448
Other securities, restricted	4,982		4,982
Total securities	168,547		168,547		145,715
Securities Available-for-sale [Abstract]
Realized gains on sales of securities	1	$ 479	186	$ 515
Realized losses on sales of securities	0	(193)	(1)	(203)
Net realized gain	1	$ 286	185	$ 312
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Less Than Twelve Months	225		225		979
More Than Twelve Months	314		314		204
Total	539		539		1,183
Securities Available-for-Sale, Fair Value [Abstract]
Less Than Twelve Months	23,907		23,907		84,517
More Than Twelve Months	20,858		20,858		16,837
Total	$ 44,765		$ 44,765		$ 101,354
Securities Available-for-Sale, Number of Securities [Abstract]
Number of Securities | Security	29		29		47
U.S. Treasury Securities [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized cost	$ 6,966		$ 6,966		$ 6,925
Gross unrealized gains	104		104		78
Gross unrealized losses	0		0		0
Fair value	7,070		7,070		7,003
Available-for-Sale, Amortized Cost [Abstract]
Total securities	6,966		6,966		6,925
Available-for-Sale, Fair Value [Abstract]
Total securities	7,070		7,070		7,003
Obligations of U.S. Government Agencies [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized cost	33,040		33,040		33,998
Gross unrealized gains	35		35		9
Gross unrealized losses	(443)		(443)		(403)
Fair value	32,632		32,632		33,604
Available-for-Sale, Amortized Cost [Abstract]
Total securities	33,040		33,040		33,998
Available-for-Sale, Fair Value [Abstract]
Total securities	32,632		32,632		33,604
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Less Than Twelve Months	134		134		349
More Than Twelve Months	309		309		54
Total	443		443		403
Securities Available-for-Sale, Fair Value [Abstract]
Less Than Twelve Months	10,284		10,284		29,744
More Than Twelve Months	19,491		19,491		2,562
Total	29,775		29,775		32,306
Obligations of State and Political Subdivisions [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized cost	33,957		33,957		24,525
Gross unrealized gains	1,978		1,978		442
Gross unrealized losses	0		0		(225)
Fair value	35,935		35,935		24,742
Available-for-Sale, Amortized Cost [Abstract]
Total securities	33,957		33,957		24,525
Available-for-Sale, Fair Value [Abstract]
Total securities	35,935		35,935		24,742
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Less Than Twelve Months					225
More Than Twelve Months					0
Total					225
Securities Available-for-Sale, Fair Value [Abstract]
Less Than Twelve Months					10,112
More Than Twelve Months					0
Total					10,112
Mortgage-backed Securities [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized cost	70,991		70,991		72,000
Gross unrealized gains	3,108		3,108		460
Gross unrealized losses	(64)		(64)		(552)
Fair value	74,035		74,035		71,908
Available-for-Sale, Amortized Cost [Abstract]
Total securities	70,991		70,991		72,000
Available-for-Sale, Fair Value [Abstract]
Total securities	74,035		74,035		71,908
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Less Than Twelve Months	59		59		405
More Than Twelve Months	5		5		147
Total	64		64		552
Securities Available-for-Sale, Fair Value [Abstract]
Less Than Twelve Months	7,402		7,402		44,661
More Than Twelve Months	1,367		1,367		14,078
Total	8,769		8,769		58,739
Money Market Investments [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized cost	4,982		4,982		3,825
Gross unrealized gains	0		0		0
Gross unrealized losses	0		0		0
Fair value	4,982		4,982		3,825
Available-for-Sale, Amortized Cost [Abstract]
Total securities	4,982		4,982		3,825
Available-for-Sale, Fair Value [Abstract]
Total securities	4,982		4,982		3,825
Corporate Bonds and Other Securities [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized cost	13,795		13,795		4,542
Gross unrealized gains	130		130		94
Gross unrealized losses	(32)		(32)		(3)
Fair value	13,893		13,893		4,633
Available-for-Sale, Amortized Cost [Abstract]
Total securities	13,795		13,795		4,542
Available-for-Sale, Fair Value [Abstract]
Total securities	13,893		13,893		4,633
Securities Available-for-Sale, Gross Unrealized Losses [Abstract]
Less Than Twelve Months	32		32		0
More Than Twelve Months	0		0		3
Total	32		32		3
Securities Available-for-Sale, Fair Value [Abstract]
Less Than Twelve Months	6,221		6,221		0
More Than Twelve Months	0		0		197
Total	$ 6,221		$ 6,221		$ 197