The total amount of the contingent obligation under letters of credit issued on behalf of foreign subsidiaries.

No definition available.

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- Definition

Maturity date of obligation related to customer debt.

+ References

No definition available.

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- References

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

Amount of loss contingency liability.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
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- References

No definition available.

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- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

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-Name Accounting Standards Codification
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- Definition

Amount of reorganization value related to estimated net realizable value of asset dispositions. Reorganization value is the amount attributed to the reconstituted entity, as well as the expected net realizable value of those assets that will be disposed before reconstitution occurs.

+ References

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Contingent Matters (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Contingent Matters (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Contingent Matters [Abstract]
Liability recorded related to guarantees	$ 1,453		$ 1,453
Loss Contingency, Estimate [Abstract]
Contingent liability for customer debt	2,675		$ 2,675
Maximum maturity date of customer debt			Dec. 31, 2023
Amount received for sale of pellet plant	304,802	$ 272,528	$ 630,582	$ 597,981
Pellet Plant [Member]
Loss Contingency, Estimate [Abstract]
Pellet plant inventory net realizable value	0		0
Amount received for sale of pellet plant			20,000
Maximum [Member]
Loss Contingency, Estimate [Abstract]
Contingent liabilities for letters of credit	11,988		11,988
Letter of Credit Lender [Member]
Loss Contingency, Estimate [Abstract]
Contingent liabilities for letters of credit	8,630		8,630
Astec Brazil Working Capital Loans [Member]
Loss Contingency, Estimate [Abstract]
Contingent liabilities for letters of credit issued on behalf of foreign subsidiaries	3,200		$ 3,200
Letter of Credit [Member] \| Maximum [Member]
Loss Contingency, Estimate [Abstract]
Letter of credit expiration date			Dec. 31, 2020
Performance Letters of Credit [Member]
Loss Contingency, Estimate [Abstract]
Contingent liabilities for letters of credit issued on behalf of foreign subsidiaries	$ 3,358		$ 3,358