XML 64 R50.htm IDEA: XBRL DOCUMENT v3.3.1.900
Summary of Adjustments to Uncertain Tax Position (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax Contingency [Line Items]      
Beginning Balance $ 238 $ 238 $ 275
Increase/Decrease for tax positions related to the current year 0 0 0
Increase/Decrease for tax positions related to prior years     (37)
Decrease for settlements with applicable taxing authorities 0 0 0
Decrease for previous year's lapses of statute of limitations (20)    
Decrease for impact of §382 limitations (218)    
Decrease for lapses of statute of limitations $ 0 0 0
Ending Balance   $ 238 $ 238