Ameresco, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 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-20191231.xml

Derivative Instruments and Hedging Activities - Additional Information (Details)

v3.19.3.a.u2

Derivative Instruments and Hedging Activities - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Mar. 31, 2010	Sep. 30, 2018	Jun. 30, 2018	Jun. 30, 2014	Jan. 01, 2018
ASU 2017-12
Derivative Instruments, Gain (Loss) [Line Items]
Cumulative impact from the adoption of new ASU					$ (54)
ASU 2017-12 \| Retained Earnings
Derivative Instruments, Gain (Loss) [Line Items]
Cumulative impact from the adoption of new ASU		$ 432			$ 432
ASU 2017-12 \| AOCI Including Portion Attributable to Noncontrolling Interest
Derivative Instruments, Gain (Loss) [Line Items]
Cumulative impact from the adoption of new ASU		486
Interest rate swap contracts \| Interest Rate Swap Contract 3
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, term of contract	14 years
Derivative notional amount	$ 27,900
Derivative, variable rate at a fixed interest rate (percent)	3.74%
Interest rate swap, amount reclassified			$ 34	$ 566
Other liabilities \| Interest rate swap contracts \| Interest Rate Swap Contract 3
Derivative Instruments, Gain (Loss) [Line Items]
Paydown of hedged debt		252
Other Expense \| Interest rate swap contracts \| Interest Rate Swap Contract 3
Derivative Instruments, Gain (Loss) [Line Items]
Paydown of hedged debt		$ (252)

- Definition

Paydown Of Debt Hedged By Derivative

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ 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

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959

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- Definition

Period the derivative contract is outstanding, 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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- Definition

Variable interest rate in effect as of the balance sheet date related to the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Amount, before tax, of reclassification from accumulated other comprehensive income (AOCI) for gain (loss) from derivative designated and qualifying as net investment hedge.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4CCC
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL109998896-113959

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