Loans - Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Recorded Investment:
With No Related Allowance	$ 2,426	$ 689	$ 807
With a Related Allowance	295	35	294
Unpaid Principal Balance:
With No Related Allowance	2,430	688	806
With a Related Allowance	296	36	295
Average Recorded Balance:
With No Related Allowance	2,187	1,609
With a Related Allowance	299	36
Interest Income Recognized:
With No Related Allowance	0	0
With a Related Allowance	0	0
Cash Basis Income:
With No Related Allowance	0	0
With a Related Allowance	0	0
Commercial Portfolio Segment
Recorded Investment:
With No Related Allowance	0	0	0
With a Related Allowance	46	35	34
Unpaid Principal Balance:
With No Related Allowance	0	0	0
With a Related Allowance	47	36	35
Average Recorded Balance:
With No Related Allowance	2	0
With a Related Allowance	46	36
Interest Income Recognized:
With No Related Allowance	0	0
With a Related Allowance	0	0
Cash Basis Income:
With No Related Allowance	0	0
With a Related Allowance	0	0
Commercial Real Estate
Recorded Investment:
With No Related Allowance	1,124	0	0
With a Related Allowance	0	0	0
Unpaid Principal Balance:
With No Related Allowance	1,128	0	0
With a Related Allowance	0	0	0
Average Recorded Balance:
With No Related Allowance	1,127	1
With a Related Allowance	0	0
Interest Income Recognized:
With No Related Allowance	0	0
With a Related Allowance	0	0
Cash Basis Income:
With No Related Allowance	0	0
With a Related Allowance	0	0
Consumer
Recorded Investment:
With No Related Allowance	124	114	108
With a Related Allowance	0	0	0
Unpaid Principal Balance:
With No Related Allowance	124	113	107
With a Related Allowance	0	0	0
Average Recorded Balance:
With No Related Allowance	120	119
With a Related Allowance	0	0
Interest Income Recognized:
With No Related Allowance	0	0
With a Related Allowance	0	0
Cash Basis Income:
With No Related Allowance	0	0
With a Related Allowance	0	0
Residential
Recorded Investment:
With No Related Allowance	1,178	575	699
With a Related Allowance	249	0	260
Unpaid Principal Balance:
With No Related Allowance	1,178	575	699
With a Related Allowance	249	0	$ 260
Average Recorded Balance:
With No Related Allowance	938	1,489
With a Related Allowance	253	0
Interest Income Recognized:
With No Related Allowance	0	0
With a Related Allowance	0	0
Cash Basis Income:
With No Related Allowance	0	0
With a Related Allowance	$ 0	$ 0

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