Components of Interest Expense (Detail) - USD ($) $ in Thousands	4 Months Ended	12 Months Ended
Dec. 31, 2016	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Banking and Thrift [Abstract]
Interest expense	$ 6,392	$ 35,811	$ 26,462	$ 6,392
Capitalized interest	(2,725)	(4,136)	(9,118)
Amortization of debt issuance costs 2	1,961	2,611	2,736
Amortization of Debt Discount (Premium)	161	743	680
Interest on borrowings and related fees	$ 6,995	$ 36,593	$ 32,164
Write off of Deferred Debt Issuance Cost				$ 800

Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of amortization expense attributable to debt issuance costs.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Aggregate amount of interest expense on all borrowings.

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Amount of cash paid for interest capitalized, classified as investing activity.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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