Acquisition (Details) (USD $)	0 Months Ended		3 Months Ended		9 Months Ended
	Jan. 11, 2013	Oct. 09, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Useful life					9 years
Liabilities Assumed:
Goodwill resulting from merger			$ 8,056,000		$ 8,056,000
Goodwill [Roll Forward]
Goodwill at June 30, 2013			8,258,000
Deferred income taxes			18,000
Other assets			(220,000)
Goodwill at September 30, 2013			8,056,000		8,056,000
Merger and acquisition integration expenses					1,326,000
Merger related costs					603,000
Data conversion costs					723,000
Estimated amount of acquiree's total revenue and net income included in acquirer's income statement [Abstract]
Total revenue			1,676,000		4,561,000
Net income			750,000		1,898,000
First Capital [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Date of merger agreement		Oct. 09, 2012
Value of stock and cash transaction	20,200,000
Cash payable for each share of common stock	30.76
Number of shares exchangeable for each share of common stock (in shares)	2.329
Number of trading days considered to calculate average closing price of share	25 days
Consideration Paid:
Common shares issued (888,811)	12,354,000
Cash paid to shareholders	7,828,000
Total value of consideration paid	20,182,000
Common Shares Issued (in shares)	888,811
Identifiable Assets Acquired:
Cash and cash equivalents	17,632,000
Investment securities:
Available-for-sale	21,606,000
Held-to-maturity	384,000
Federal Reserve Bank stock	157,000
Federal Home Loan Bank stock	763,000
Loans	98,906,000
Premises and equipment	3,949,000
Bank owned life insurance	3,687,000
Core deposit intangible	2,574,000
Other real estate owned	127,000
Deferred income taxes	409,000
Other assets	1,369,000
Total identifiable assets acquired	151,563,000
Liabilities Assumed:
Deposits	136,823,000
Long-term debt	1,792,000
Other liabilities	822,000
Total liabilities assumed	139,437,000
Total Identifiable Net Assets Acquired	12,126,000
Goodwill resulting from merger	8,056,000
Goodwill [Roll Forward]
Goodwill at September 30, 2013	8,056,000
Unaudited pro forma information [Abstract]
Total revenue			9,502,000	10,067,000	28,728,000	30,446,000
Net income			$ 2,358,000	$ 2,097,000	$ 7,000,000	$ 7,027,000
Basic earnings per common share (in dollars per share)			$ 0.31	$ 0.27	$ 0.92	$ 0.92
Diluted earnings per common share (in dollars per share)			$ 0.30	$ 0.27	$ 0.90	$ 0.91
First Capital [Member] | Minimum [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Specified percentage of outstanding common stock exchangeable for cash (in hundredths)	40.00%
Specified percentage of outstanding common stock exchangeable for shares (in hundredths)	50.00%
First Capital [Member] | Maximum [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Specified percentage of outstanding common stock exchangeable for cash (in hundredths)	50.00%
Specified percentage of outstanding common stock exchangeable for shares (in hundredths)	60.00%
Chillicothe, Ohio [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Number of branches	2
Frankfort, Ohio [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Number of branches	1		1		1
Clarksburg, Ohio [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Number of branches			1		1
Washington Court House, Ohio [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Number of branches			1		1
Citizens National Bank [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Number of branches	6