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Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Jan. 01, 2019
Lessee, Lease, Description [Line Items]
Short-term lease cost	$ 9,994
Financing lease cost	1,397
Operating lease cost	188
Total lease cost	11,579
Short-term lease, cost, capitalized	$ 4,800
Accounting Standards Update 2016-02 [Member]
Lessee, Lease, Description [Line Items]
Finance lease, right-of-use asset		$ 2,300
Finance lease, liability		$ 2,400

X

- Definition

Short-term lease, cost, capitalized

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Present value of lessee's discounted obligation for lease payments from finance lease.

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Amount of lessee's right to use underlying asset under finance lease.

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Amount of amortization expense attributable to right-of-use asset from finance lease.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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