Leases - Schedule of ROU Assets and Lease Liabilities (Detail) $ in Thousands	Jun. 30, 2019 USD ($)
Assets:
Operating	$ 51,196
Financing	8,599
Total ROU assets	59,795
Liabilities:
Operating, Current	7,277
Financing, Current	2,888
Operating, Noncurrent	45,921
Financing, Noncurrent	7,958
Total lease liabilities	$ 64,044