XML 24 R37.htm IDEA: XBRL DOCUMENT v2.4.0.8
Depreciation and Amortization Expense (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Property, Plant and Equipment [Line Items]        
Depreciation and amortization expense $ 2,414 $ 2,874 $ 7,386 $ 8,820