Valuation Allowance of Deferred Tax Assets (Detail) - Valuation Allowance of Deferred Tax Assets - USD ($) $ in Thousands |
12 Months Ended | |||||
---|---|---|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
||||
Valuation and Qualifying Accounts Disclosure [Line Items] | ||||||
Beginning Balance | $ 35,246 | $ 14,524 | $ 50,636 | |||
Additions | 22,005 | [1] | 21,347 | 483 | ||
Deductions | (2,526) | (625) | (36,595) | |||
Ending Balance | $ 54,725 | $ 35,246 | $ 14,524 | |||
|
X | ||||||||||
- Definition Valuation allowances and reserves additions. No definition available.
|
X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
X | ||||||||||
- Definition Amount of valuation and qualifying accounts and reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- Definition Amount of decrease in valuation and qualifying accounts and reserves. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
X | ||||||||||
- Details
|