Loans and Allowance for Loan Losses - Schedule of Impaired Loans by Portfolio Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Recorded Investment [Abstract]
Recorded investment, total	$ 3,646	$ 7,666
Unpaid Principal Balance [Abstract]
Unpaid principal balance, total	3,660	7,770
Related Allowance [Abstract]
Related allowance	229	403
Average Recorded Investment [Abstract]
Average recorded investment, total	4,184	8,669
Interest Income Recognized [Abstract]
Interest income recognized, total	153	299
Commercial and Industrial [Member]
Recorded Investment [Abstract]
Recorded investment, with no specific allowance recorded	187	61
Recorded investment, with an allowance recorded		461
Recorded investment, total	187	522
Unpaid Principal Balance [Abstract]
Unpaid principal balance, with no specific allowance recorded	187	66
Unpaid principal balance, with an allowance recorded		493
Unpaid principal balance, total	187	559
Related Allowance [Abstract]
Related allowance	0	176
Average Recorded Investment [Abstract]
Average recorded investment, with no specific allowance recorded	287	84
Average recorded investment, with an allowance recorded		587
Average recorded investment, total	287	671
Interest Income Recognized [Abstract]
Interest income recognized, with no specific allowance recorded	13	2
Interest income recognized, with an allowance recorded		21
Interest income recognized, total	13	23
Commercial Real Estate [Member]
Recorded Investment [Abstract]
Recorded investment, with no specific allowance recorded	1,048	1,378
Recorded investment, with an allowance recorded	1,799	1,813
Recorded investment, total	2,847	3,191
Unpaid Principal Balance [Abstract]
Unpaid principal balance, with no specific allowance recorded	1,048	1,378
Unpaid principal balance, with an allowance recorded	1,813	1,827
Unpaid principal balance, total	2,861	3,205
Related Allowance [Abstract]
Related allowance	229	159
Average Recorded Investment [Abstract]
Average recorded investment, with no specific allowance recorded	1,213	1,413
Average recorded investment, with an allowance recorded	1,806	1,998
Average recorded investment, total	3,019	3,411
Interest Income Recognized [Abstract]
Interest income recognized, with no specific allowance recorded	61	74
Interest income recognized, with an allowance recorded	38	39
Interest income recognized, total	99	113
Construction and Land [Member]
Recorded Investment [Abstract]
Recorded investment, with no specific allowance recorded	233	2,679
Recorded investment, total	233	2,679
Unpaid Principal Balance [Abstract]
Unpaid principal balance, with no specific allowance recorded	233	2,679
Unpaid principal balance, total	233	2,679
Related Allowance [Abstract]
Related allowance	0	0
Average Recorded Investment [Abstract]
Average recorded investment, with no specific allowance recorded	494	3,289
Average recorded investment, total	494	3,289
Interest Income Recognized [Abstract]
Interest income recognized, with no specific allowance recorded	25	145
Interest income recognized, total	25	145
Residential Real Estate [Member]
Recorded Investment [Abstract]
Recorded investment, with no specific allowance recorded	379	707
Recorded investment, total	379	707
Unpaid Principal Balance [Abstract]
Unpaid principal balance, with no specific allowance recorded	379	727
Unpaid principal balance, total	379	727
Related Allowance [Abstract]
Related allowance	0	0
Average Recorded Investment [Abstract]
Average recorded investment, with no specific allowance recorded	384	720
Average recorded investment, total	384	720
Interest Income Recognized [Abstract]
Interest income recognized, with no specific allowance recorded	16	18
Interest income recognized, total	$ 16	18
Home Equity Lines of Credit [Member]
Recorded Investment [Abstract]
Recorded investment, with an allowance recorded		567
Recorded investment, total		567
Unpaid Principal Balance [Abstract]
Unpaid principal balance, with an allowance recorded		600
Unpaid principal balance, total		600
Related Allowance [Abstract]
Related allowance		68
Average Recorded Investment [Abstract]
Average recorded investment, with an allowance recorded		578
Average recorded investment, total		578
Interest Income Recognized [Abstract]
Interest income recognized, with an allowance recorded		0
Interest income recognized, total		$ 0