Stockholders' Equity (Stock Options Outstanding) (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014
Stockholders' Equity [Abstract]
Exercise price, upper limit	$ 15.45
Options outstanding, shares	37,000
Options outstanding, weighted average exercise price	$ 15.45
Options outstanding, weighted average remaining contractual life (in years)	1 year 1 month 6 days
Options vested and exercisable, shares	37,000
Options vested and exercisable, weighted average exercise price	$ 15.45
Options vested and exercisable, weighted average remaining contractual life (in years)	1 year 1 month 6 days