Goodwill and Other Intangibles (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Goodwill
Balance at the beginning of the period	$ 12,803
Balance at the end of the period	12,945
European Operations
Goodwill
Balance at the beginning of the period	12,803
Currency translation adjustment	142
Balance at the end of the period	$ 12,945