Summary of Significant Accounting Policies - Recently Adopted Accounting Pronouncements - Additional Information (Detail) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Jan. 01, 2019 |
Jan. 01, 2018 |
---|---|---|---|
Significant Accounting Policies [Line Items] | |||
Operating lease liabilities | $ 303,823 | ||
Operating lease right-of-use assets | $ 221,197 | ||
Accounting Standards Update 2016-02 | |||
Significant Accounting Policies [Line Items] | |||
Operating lease liabilities | $ 290,000 | ||
Operating lease right-of-use assets | $ 230,000 | ||
ASU 2014-09 Revenue from Contracts with Customers | Reduction In Deferred Revenue | |||
Significant Accounting Policies [Line Items] | |||
Offsetting adjustments to accumulated deficit | $ (68,200) | ||
ASU 2014-09 Revenue from Contracts with Customers | Reduction In Deferred Tax Asset | |||
Significant Accounting Policies [Line Items] | |||
Offsetting adjustments to accumulated deficit | $ 13,600 |