Leases - Components of Leases in the Balance Sheet (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Assets:
Operating lease right-of-use assets	$ 275,816	$ 284,369
Finance lease assets	1,593	1,043
Total lease assets	277,409	285,412
Current:
Operating	90,358	92,475
Finance	489	440
Non-current:
Operating	192,300	196,521
Finance	911	517
Total lease liabilities	$ 284,058	$ 289,953