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Financial Instruments - Schedule of Maintenance Fee Payment to CCKF (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Jun. 30, 2019	Jun. 30, 2020		Jun. 30, 2019
Related Party Transactions [Abstract]
Maintenance Fee Payments	$ 1,400	$ 359	$ 1,443	[1]	$ 707
[1] During the first quarter of 2020, the Company prepaid approximately $1.4 million of maintenance payments, of which approximately $0.4 million and $0.8 million was recognized as expense for the quarter and year to date ended June 30, 2020, respectively.

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- Definition

Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Period Type:	duration

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No definition available.

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