Fair Value of Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
ASSETS
Total debt securities, Fair Value	$ 141,717	$ 162,422
Loans held for sale	1,216	2,780
Interest rate derivatives	349	185
LIABILITIES
Liabilities, Fair Value	349	185
Trust preferred securities
ASSETS
Total debt securities, Fair Value	1,090	895
Level 1
ASSETS
Total debt securities, Fair Value	2,581	2,581
Level 2
ASSETS
Total debt securities, Fair Value	138,046	158,946
Interest rate derivatives	349	185
LIABILITIES
Liabilities, Fair Value	349	185
Level 3
ASSETS
Total debt securities, Fair Value	1,090	895
Fair Value, Measurements, Recurring
ASSETS
Regulatory stock	2,581	2,581
Loans held for sale	1,216	2,780
Interest rate derivatives	349	185
LIABILITIES
Liabilities, Fair Value	349	185
Fair Value, Measurements, Recurring \| Trust preferred securities
ASSETS
Total debt securities, Fair Value	1,090	895
Fair Value, Measurements, Recurring \| Level 1
ASSETS
Regulatory stock	2,581	2,581
Loans held for sale	1,216	2,780
Fair Value, Measurements, Recurring \| Level 2
ASSETS
Interest rate derivatives	349	185
LIABILITIES
Liabilities, Fair Value	349	185
Fair Value, Measurements, Recurring \| Level 3 \| Trust preferred securities
ASSETS
Total debt securities, Fair Value	1,090	895
Fair Value, Measurements, Recurring \| U.S. Government agencies and corporations
ASSETS
Total debt securities, Fair Value	9,040	3,205
Fair Value, Measurements, Recurring \| U.S. Government agencies and corporations \| Level 2
ASSETS
Total debt securities, Fair Value	9,040	3,205
Fair Value, Measurements, Recurring \| Obligations of states and political subdivisions
ASSETS
Total debt securities, Fair Value	51,983	72,116
Fair Value, Measurements, Recurring \| Obligations of states and political subdivisions \| Level 2
ASSETS
Total debt securities, Fair Value	51,983	72,116
Fair Value, Measurements, Recurring \| U.S. Government-sponsored mortgage-backed securities
ASSETS
Total debt securities, Fair Value	62,164	67,668
Fair Value, Measurements, Recurring \| U.S. Government-sponsored mortgage-backed securities \| Level 2
ASSETS
Total debt securities, Fair Value	62,164	67,668
Fair Value, Measurements, Recurring \| U.S. Government-sponsored collateralized mortgage obligations
ASSETS
Total debt securities, Fair Value	5,995	6,302
Fair Value, Measurements, Recurring \| U.S. Government-sponsored collateralized mortgage obligations \| Level 2
ASSETS
Total debt securities, Fair Value	5,995	6,302
Fair Value, Measurements, Recurring \| U.S. Government-guaranteed small business administration pools
ASSETS
Total debt securities, Fair Value	8,864	9,655
Fair Value, Measurements, Recurring \| U.S. Government-guaranteed small business administration pools \| Level 2
ASSETS
Total debt securities, Fair Value	$ 8,864	$ 9,655

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

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Fair value as of the balance sheet date of all derivative liabilities not designated as hedging instruments.

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Amount, after allowance for bad debt, of loan receivables held-for-sale that are not part of a disposal group. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

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The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.

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