XML 127 R84.htm IDEA: XBRL DOCUMENT v3.3.1.900
Schedule II - Valuation and Qualifying Accounts (Detail) - Valuation Allowances for Deferred Tax Assets [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Valuation And Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Year $ 94,731 $ 73,144 $ 70,955
Charged (Credited) to Statement of Operation 21,987 21,587 2,189
Deductions, Net 0 0 0
Balance at End of Year $ 116,718 $ 94,731 $ 73,144