EPS - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Earnings Per Share [Abstract]
Basic weighted average common shares outstanding	10,595,000	10,585,000	10,570,000
Weighted average diluted shares outstanding increased	2,000		14,000
Stock options not exercised	68,500	112,500	81,000