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Summary of Significant Accounting Policies - Supplementary Information of Consolidated Statements of Cash Flows (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash payments for:
Interest payments	$ 90,824	$ 56,430
Income tax payments		2
Non-cash investing activities include:
Decrease in accrued capital expenditures	29,078	$ 4,209
Non-cash financing activities include:
Retirement of debt in exchange for common stock	(4,151)
Issuance of common stock in exchange for debt	$ 5,012

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 50
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