Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Inventories
Refrigerants and cylinders	$ 59,477	$ 72,088
Less: net realizable value adjustments	(10,907)	(12,850)
Total	$ 48,570	$ 59,238

Amount of inventory reserves for last-in first-out (LIFO) and other inventory valuation methods.

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-Publisher FASB
-Name Accounting Standards Codification
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-Subparagraph (SX 210.5-02.6(b))
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- References

No definition available.

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- Definition

Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 1
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-Name Accounting Standards Codification
-Topic 210
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-Section S99
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