Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
ASSETS
Total debt securities, Fair Value	$ 162,422	$ 179,219
Regulatory stock	2,581	2,581
Loans held for sale	2,780	4,554
Interest rate derivatives	185	297
LIABILITIES
Liabilities, Fair Value	185	297
Trust preferred securities
ASSETS
Total debt securities, Fair Value	895	825
Level 1
ASSETS
Total debt securities, Fair Value	2,581	2,581
Regulatory stock	2,581	2,581
Loans held for sale	2,780	4,554
Level 2
ASSETS
Total debt securities, Fair Value	158,946	175,813
Interest rate derivatives	185	297
LIABILITIES
Liabilities, Fair Value	185	297
Level 3
ASSETS
Total debt securities, Fair Value	895	825
Level 3 \| Trust preferred securities
ASSETS
Total debt securities, Fair Value	895	825
U.S. Government agencies and corporations
ASSETS
Total debt securities, Fair Value	3,205	7,988
U.S. Government agencies and corporations \| Level 2
ASSETS
Total debt securities, Fair Value	3,205	7,988
Obligations of states and political subdivisions
ASSETS
Total debt securities, Fair Value	72,116	66,770
Obligations of states and political subdivisions \| Level 2
ASSETS
Total debt securities, Fair Value	72,116	66,770
U.S. Government-sponsored mortgage-backed securities
ASSETS
Total debt securities, Fair Value	67,668	79,767
U.S. Government-sponsored mortgage-backed securities \| Level 2
ASSETS
Total debt securities, Fair Value	67,668	79,767
U.S. Government-sponsored collateralized mortgage obligations
ASSETS
Total debt securities, Fair Value	6,302	9,349
U.S. Government-sponsored collateralized mortgage obligations \| Level 2
ASSETS
Total debt securities, Fair Value	6,302	9,349
U.S. Government-guaranteed small business administration pools
ASSETS
Total debt securities, Fair Value	9,655	11,939
U.S. Government-guaranteed small business administration pools \| Level 2
ASSETS
Total debt securities, Fair Value	$ 9,655	$ 11,939

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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