Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Computation of Weighted Average Number of Common Shares Outstanding for Basic and Diluted Earnings Per Share

The weighted average number of common shares outstanding for basic and diluted earnings per share computations was as follows:

	2015			2014			2013
Weighted average common shares		2,980,602			2,980,602			2,980,602
Average treasury shares		(241,132	)		(242,966	)		(244,129	)
Total weighted average common shares outstanding (basic)		2,739,470			2,737,636			2,736,473
Dilutive effect of assumed exercise of stock options		2,638			1,442			2,004
Weighted average common shares outstanding (diluted)		2,742,108			2,739,078			2,738,477