Earnings Per Share (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Shares [Abstract]
Earning (loss) per share, basic (in shares)	7,107,403	7,147,390	7,106,171
Effect of dilutive securities:
Stock options (in shares)	11,461	6,805	6,939
Warrant (in shares)	32,026	13,192	13,491
Earnings per share, diluted (in shares)	7,150,890	7,167,387	7,126,601
Per Share Amount [Abstract]
Earnings per share, basic (in dollars per share)	$ 1.13	$ 1.10	$ 1.07
Earnings per share, diluted (in dollars per share)	$ 1.13	$ 1.09	$ 1.06