Description of the Business and Summary of Significant Accounting Policies - Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accounts Payable and Accrued Liabilities [Abstract]
Trade accounts payable	$ 40,238	$ 77,620
Property and other taxes payable	57,668	35,947
Deferred revenues	76,744	69,280
Accrued salaries and benefits	35,303	21,544
Accrued interest payable	16,520	16,027
Other accrued liabilities	38,442	54,472
Total accounts payable and accrued liabilities	$ 264,915	$ 274,890