Loans - Loans Receivable, Individually Analyze, Interest Income, Cash Basis Method (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Balance	$ 39,406	$ 49,182
Interest Income Recognized	2,208	1,800
Cash Basis Income Recognized	2,017	1,766
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Balance	7,040	7,058
Interest Income Recognized	341	284
Cash Basis Income Recognized	335	276
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Balance	23,080	29,387
Interest Income Recognized	1,382	1,099
Cash Basis Income Recognized	1,301	1,084
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Balance	8,397	11,548
Interest Income Recognized	446	375
Cash Basis Income Recognized	345	364
Home Equity and Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Balance	862	1,150
Interest Income Recognized	38	38
Cash Basis Income Recognized	35	38
Consumer Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average Balance	27	39
Interest Income Recognized	1	4
Cash Basis Income Recognized	$ 1	$ 4