INCOME TAXES- Net Operating Losses And Tax Credit Carryforwards (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Tax Credit Carry forward [Line Items]
Deferred tax asset	$ 503,585	$ 527,367
Deferred tax asset, net of valuation allowance	207,216	201,706
Deferred Tax Assets Net	$ 296,369	$ 325,661