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Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 540
Operating cash flows from finance leases	1,640
Financing cash flows from finance leases	8,810	$ 0
Right-of-use assets obtained in exchange for new lease liabilities:
Finance leases	49,784
Operating leases	$ 2,723

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Cash paid for amounts included in the measurement of lease liabilities.

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Repayments of finance lease liabilities.

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Right-of-use assets obtained in exchange for new lease liabilities.

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Amount of interest paid on finance lease liability.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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