Lessee Accounting - Schedule of Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 01, 2019
Right-of-use assets:
Operating	$ 114,042	$ 120,358
Finance	325,826
Total right-of-use assets	439,868
Current:
Operating	14,651
Finance	486
Total current	15,137
Non-current:
Operating	96,941	$ 100,085
Finance	565
Total non-current	97,506
Total lease liabilities	112,643
Finance lease accumulated amortization	$ 57,300