XML 119 R69.htm IDEA: XBRL DOCUMENT v2.4.0.8
Property and Equipment - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Property Plant And Equipment [Abstract]      
Depreciation and amortization $ 1,012 $ 840 $ 639