Loans and Related Allowance for Loan Losses (Loans Evaluated for Impairment) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan Losses	$ 8,429	$ 8,983
Total Loans	1,058,323	993,705
Allowance for Loan Losses [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	584	2,246
Allowance for Loan Losses, Collectively Evaluated for Impairment	7,845	6,737
Allowance for Loan Losses	8,429	8,983
Recorded Investment in Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment	9,885	17,859
Recorded Investment in Loans, Collectively Evaluated for Impairment	1,048,438	975,846
Total Loans	1,058,323	993,705
Mortgage Loans on Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	854,925	791,290
Mortgage Loans on Real Estate [Member] | Allowance for Loan Losses [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	478	1,346
Allowance for Loan Losses, Collectively Evaluated for Impairment	5,812	4,314
Allowance for Loan Losses	6,290	5,660
Mortgage Loans on Real Estate [Member] | Recorded Investment in Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment	9,424	15,876
Recorded Investment in Loans, Collectively Evaluated for Impairment	845,501	775,414
Total Loans	854,925	791,290
Commercial Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	191,183	188,722
Commercial Loans [Member] | Allowance for Loan Losses [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	105	900
Allowance for Loan Losses, Collectively Evaluated for Impairment	1,875	994
Allowance for Loan Losses	1,980	1,894
Commercial Loans [Member] | Recorded Investment in Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment	454	1,983
Recorded Investment in Loans, Collectively Evaluated for Impairment	190,729	186,739
Total Loans	191,183	188,722
Consumer Installment Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	11,163	12,048
Consumer Installment Loans [Member] | Allowance for Loan Losses [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	1
Allowance for Loan Losses, Collectively Evaluated for Impairment	113	152
Allowance for Loan Losses	114	152
Consumer Installment Loans [Member] | Recorded Investment in Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment	7
Recorded Investment in Loans, Collectively Evaluated for Impairment	11,156	12,048
Total Loans	11,163	12,048
All Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	1,052	1,645
All Other Loans [Member] | Allowance for Loan Losses [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment
Allowance for Loan Losses, Collectively Evaluated for Impairment	7	12
Allowance for Loan Losses	7	12
All Other Loans [Member] | Recorded Investment in Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment
Recorded Investment in Loans, Collectively Evaluated for Impairment	1,052	1,645
Total Loans	1,052	1,645
Unallocated [Member] | Allowance for Loan Losses [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment
Allowance for Loan Losses, Collectively Evaluated for Impairment	38	1,265
Allowance for Loan Losses	38	1,265
Unallocated [Member] | Recorded Investment in Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment
Recorded Investment in Loans, Collectively Evaluated for Impairment
Total Loans
Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	223,538	216,268
Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member] | Allowance for Loan Losses [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	380	349
Allowance for Loan Losses, Collectively Evaluated for Impairment	2,305	1,932
Allowance for Loan Losses	2,685	2,281
Residential 1-4 Family [Member] | Mortgage Loans on Real Estate [Member] | Recorded Investment in Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment	2,981	3,694
Recorded Investment in Loans, Collectively Evaluated for Impairment	220,557	212,574
Total Loans	223,538	216,268
Commercial [Member] | Mortgage Loans on Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	396,858	379,904
Commercial [Member] | Mortgage Loans on Real Estate [Member] | Allowance for Loan Losses [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	87	482
Allowance for Loan Losses, Collectively Evaluated for Impairment	2,109	1,328
Allowance for Loan Losses	2,196	1,810
Commercial [Member] | Mortgage Loans on Real Estate [Member] | Recorded Investment in Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment	3,604	5,052
Recorded Investment in Loans, Collectively Evaluated for Impairment	393,254	374,852
Total Loans	396,858	379,904
Construction and Land Development [Member] | Mortgage Loans on Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	146,566	120,413
Construction and Land Development [Member] | Mortgage Loans on Real Estate [Member] | Allowance for Loan Losses [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	11	515
Allowance for Loan Losses, Collectively Evaluated for Impairment	1,033	646
Allowance for Loan Losses	1,044	1,161
Construction and Land Development [Member] | Mortgage Loans on Real Estate [Member] | Recorded Investment in Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment	376	4,571
Recorded Investment in Loans, Collectively Evaluated for Impairment	146,190	115,842
Total Loans	146,566	120,413
Second Mortgages [Member] | Mortgage Loans on Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	6,639	6,778
Second Mortgages [Member] | Mortgage Loans on Real Estate [Member] | Allowance for Loan Losses [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment
Allowance for Loan Losses, Collectively Evaluated for Impairment	79	20
Allowance for Loan Losses	79	20
Second Mortgages [Member] | Mortgage Loans on Real Estate [Member] | Recorded Investment in Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment
Recorded Investment in Loans, Collectively Evaluated for Impairment	6,639	6,778
Total Loans	6,639	6,778
Multifamily [Member] | Mortgage Loans on Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	72,978	59,557
Multifamily [Member] | Mortgage Loans on Real Estate [Member] | Allowance for Loan Losses [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment
Allowance for Loan Losses, Collectively Evaluated for Impairment	248	371
Allowance for Loan Losses	248	371
Multifamily [Member] | Mortgage Loans on Real Estate [Member] | Recorded Investment in Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment	2,463	2,559
Recorded Investment in Loans, Collectively Evaluated for Impairment	70,515	56,998
Total Loans	72,978	59,557
Agriculture [Member] | Mortgage Loans on Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	8,346	8,370
Agriculture [Member] | Mortgage Loans on Real Estate [Member] | Allowance for Loan Losses [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment
Allowance for Loan Losses, Collectively Evaluated for Impairment	38	17
Allowance for Loan Losses	38	17
Agriculture [Member] | Mortgage Loans on Real Estate [Member] | Recorded Investment in Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded Investment in Loans, Individually Evaluated for Impairment
Recorded Investment in Loans, Collectively Evaluated for Impairment	8,346	8,370
Total Loans	$ 8,346	$ 8,370