Debt Instrument, Minimum Cash Balance Required

No definition available.

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- Definition

Expected Future Net Cash Flows from Refined Coal Business

+ References

No definition available.

+ Details

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- Definition

Maximum Annual Collective Dividends and Buybacks

+ References

No definition available.

+ Details

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- Definition

Minimum Requirement from Future Net Cash Flows From Refined Coal Business

+ References

No definition available.

+ Details

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- Definition

Percent of Common Stock Owned

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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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

Amount of the required periodic payments applied to principal.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
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+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ 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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Balance Type:	debit
Period Type:	instant

- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
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- Details

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- Details

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- Details

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Debt Obligations - Senior Term Loan (Details)		9 Months Ended
Debt Obligations - Senior Term Loan (Details)	Dec. 07, 2018 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Senior Term Loan
Debt Instrument [Line Items]
Less: net unamortized debt discount	$ 2,100,000	$ 1,338,000	$ 2,052,000
Debt issuance costs	$ 2,000,000	1,380,000	$ 1,990,000
Term	36 months
Interest rate, stated percentage	4.75%
Minimum cash balance required		$ 5,000,000.0
Expected future net cash flows from refined coal business		1.75
Maximum annual collective dividends and buybacks		$ 30,000,000.0
Minimum requirement from future net cash flows from refined coal business		$ 100,000,000
Senior Term Loan \| Beginning on March 1, 2019
Debt Instrument [Line Items]
Periodic payment, principal	$ 6,000,000
Senior Term Loan \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
ADA Carbon Solutions, LLC \| Term Loan \| Senior Term Loan
Debt Instrument [Line Items]
Proceeds from issuance of debt	$ 70,000,000
Senior Term Loan due December 2021, related party \| Minimum
Debt Instrument [Line Items]
Percent of common stock owned	5.00%