Concentration Of Credit Risk - (Details)	12 Months Ended
Dec. 31, 2019 USD ($) Customer
Net Sales \| Customer Concentration Risk
Concentration Risk [Line Items]
Number of Customers Used For Concentration Risk Disclosure \| Customer	10
Concentration risk, percentage	19.10%
Maximum percent of revenue from single customer	5.20%
Payment Guarantee
Concentration Risk [Line Items]
Retained recourse obligation	$ 2,355,000
Total contracts	9,008,000
Other Long-Term Obligations \| Payment Guarantee
Concentration Risk [Line Items]
Guarantee obligation at carrying value	$ 41,000

Concentration Risk, Retained Recourse Obligation For Default of Customer Lease Obligations Under Contract

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- Definition

Concentration Risks, Percent of Revenue from Single Customer, Maximum

+ References

No definition available.

+ Details

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- Definition

Number of Customers Used For Concentration Risk Disclosure

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
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- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

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