Recent Accounting Pronouncements - Additional Information (Detail Textual) - USD ($) $ in Thousands	Sep. 30, 2019	Jul. 01, 2019
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Right of use assets	$ 346,273	$ 354,317
Current lease liabilities	69,715
Non-current lease liabilities	$ 324,601	331,761
ASU 2016-02
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Right of use assets		354,317
Current lease liabilities		67,000
Non-current lease liabilities		$ 331,761