Leases - Summary of Future Lease Payments under Leases (Detail) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Operating Leases
2019	$ 35,493
2020	65,623	$ 70,478
2021	53,662	60,382
2022	49,131	57,531
2023	46,313	56,511
Thereafter	432,382	318,147
Total lease payments	682,604	669,004
Less: imputed interest	(192,661)
Present value of lease payments	489,943
Less: current lease obligations	(51,011)
Total long-term lease obligations	438,932
Financing Leases
2019	1,906
2020	3,196	2,695
2021	1,951	1,735
2022	1,094	1,004
2023	779	713
Thereafter	4,177	3,893
Total lease payments	13,103	13,758
Less: imputed interest	(2,740)	(2,879)
Total finance lease liabilities	10,363	10,879
Less: current lease obligations	(3,268)	(3,249)
Other noncurrent liabilities	$ 7,095	$ 7,630