Fair Value Disclosure - Estimated Fair Value of the Company's Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financial Assets:
Available-for-Sale	$ 156,667	$ 194,675
Carrying Value
Financial Assets:
Available-for-Sale	158,956	197,385
Fair Value
Financial Assets:
Available-for-Sale	158,956	197,385
Level 1 | Carrying Value
Financial Assets:
Interest Bearing	102,400	68,798
Non-Interest Bearing	9,769	11,419
Level 1 | Fair Value
Financial Assets:
Interest Bearing	102,400	68,798
Non-Interest Bearing	9,769	11,419
Level 3 | Carrying Value
Financial Assets:
Loans, Net	1,037,105	942,629
Mortgage Servicing Rights	694	930
Level 3 | Fair Value
Financial Assets:
Loans, Net	1,076,438	961,110
Mortgage Servicing Rights	694	930
Level 2 | Carrying Value
Financial Assets:
Restricted Stock	3,961	3,656
Bank-Owned Life Insurance	24,639	24,222
Accrued Interest Receivable	4,241	3,297
Financial Liabilities:
Deposits	1,199,036	1,118,359
Short-term Borrowings	42,061	30,571
Other Borrowed Funds	11,000	14,000
Accrued Interest Payable	735	987
Level 2 | Fair Value
Financial Assets:
Restricted Stock	3,961	3,656
Bank-Owned Life Insurance	24,639	24,222
Accrued Interest Receivable	4,241	3,297
Financial Liabilities:
Deposits	1,207,246	1,128,078
Short-term Borrowings	42,061	30,571
Other Borrowed Funds	11,138	15,380
Accrued Interest Payable	$ 735	$ 987