Loans and Allowance for Loan Losses - Schedule of Impaired Loans by Portfolio Segment (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Recorded Investment [Abstract]
Recorded investment, total	$ 9,255	$ 3,646
Unpaid Principal Balance [Abstract]
Unpaid principal balance, total	9,255	3,660
Related Allowance [Abstract]
Related allowance	80	229
Average Recorded Investment [Abstract]
Average recorded investment, total	9,626	4,184
Interest Income Recognized [Abstract]
Interest income recognized, total	282	153
Commercial Real Estate [Member]
Recorded Investment [Abstract]
Recorded investment, with no specific allowance recorded	7,578	1,048
Recorded investment, with an allowance recorded	791	1,799
Recorded investment, total	8,369	2,847
Unpaid Principal Balance [Abstract]
Unpaid principal balance, with no specific allowance recorded	7,578	1,048
Unpaid principal balance, with an allowance recorded	791	1,813
Unpaid principal balance, total	8,369	2,861
Related Allowance [Abstract]
Related allowance	60	229
Average Recorded Investment [Abstract]
Average recorded investment, with no specific allowance recorded	7,938	1,213
Average recorded investment, with an allowance recorded	801	1,806
Average recorded investment, total	8,739	3,019
Interest Income Recognized [Abstract]
Interest income recognized, with no specific allowance recorded	242	61
Interest income recognized, with an allowance recorded	28	38
Interest income recognized, total	270	99
Residential Real Estate [Member]
Recorded Investment [Abstract]
Recorded investment, with no specific allowance recorded	377	379
Recorded investment, total	377	379
Unpaid Principal Balance [Abstract]
Unpaid principal balance, with no specific allowance recorded	377	379
Unpaid principal balance, total	377	379
Related Allowance [Abstract]
Related allowance	0	0
Average Recorded Investment [Abstract]
Average recorded investment, with no specific allowance recorded	378	384
Average recorded investment, total	378	384
Interest Income Recognized [Abstract]
Interest income recognized, with no specific allowance recorded	4	16
Interest income recognized, total	4	16
Commercial and Industrial [Member]
Recorded Investment [Abstract]
Recorded investment, with no specific allowance recorded		187
Recorded investment, with an allowance recorded	509
Recorded investment, total	509	187
Unpaid Principal Balance [Abstract]
Unpaid principal balance, with no specific allowance recorded		187
Unpaid principal balance, with an allowance recorded	509
Unpaid principal balance, total	509	187
Related Allowance [Abstract]
Related allowance	20	0
Average Recorded Investment [Abstract]
Average recorded investment, with no specific allowance recorded		287
Average recorded investment, with an allowance recorded	509
Average recorded investment, total	509	287
Interest Income Recognized [Abstract]
Interest income recognized, with no specific allowance recorded		13
Interest income recognized, with an allowance recorded	8
Interest income recognized, total	$ 8	13
Construction and Land [Member]
Recorded Investment [Abstract]
Recorded investment, with no specific allowance recorded		233
Recorded investment, total		233
Unpaid Principal Balance [Abstract]
Unpaid principal balance, with no specific allowance recorded		233
Unpaid principal balance, total		233
Related Allowance [Abstract]
Related allowance		0
Average Recorded Investment [Abstract]
Average recorded investment, with no specific allowance recorded		494
Average recorded investment, total		494
Interest Income Recognized [Abstract]
Interest income recognized, with no specific allowance recorded		25
Interest income recognized, total		$ 25