Income Taxes - Schedule Of Deferred Tax Assets And Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax liabilities:
Depreciation	$ 192,777	$ 173,863
Original issuance discount on 2022 Notes and 2032 Notes	11,802	17,957
Equity investments in production facilities	0	8,029
Prepaid and other	1,448	1,883
Total deferred tax liabilities	206,027	201,732
Deferred tax assets:
Net operating losses	(20,910)	(23,595)
Reserves, accrued liabilities and other	(38,131)	(52,672)
Total deferred tax assets	(59,041)	(76,267)
Valuation allowance	3,771	1,936
Net deferred tax liabilities	150,757	127,401
Current deferred tax assets	(16,594)	(53,573)
Non-current deferred tax liabilities	$ 167,351	$ 180,974