Ameresco, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details
Uncategorized
- Uncategorized Items - amrc-20190630.xml

Fair Value Measurement - Additional Information (Details)

v3.19.2

Fair Value Measurement - Additional Information (Details)	Jun. 30, 2019
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Probability of base case scenario, percentage	50.00%
Undisclosed Name of Acquiree 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Probability of low case scenario, percentage	50.00%
Undisclosed Name of Acquiree 1 \| Interest make-whole provisions \| Measurement Input, Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement input	0.18
Undisclosed Name of Acquiree 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement input	0.18
Probability of low case scenario, percentage	20.00%
Probability of base case scenario, percentage	75.00%
Probability of high case scenario, percentage	5.00%

- Definition

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+ References

No definition available.

+ Details

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- Definition

Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Probability, Base Case

+ References

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+ Details

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- Definition

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+ References

No definition available.

+ Details

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Namespace Prefix:	amrc_
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- Definition

Value of input used to measure derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ 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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