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

Derivative Instruments and Hedging Activities - Fair Value of Derivative Instruments on the Balance Sheet (Details)

v3.10.0.1

Derivative Instruments and Hedging Activities - Fair Value of Derivative Instruments on the Balance Sheet (Details) $ in Thousands	Dec. 31, 2018 USD ($) contract	Dec. 31, 2017 USD ($) contract
Interest make-whole provisions \| Other liabilities
Derivatives, Fair Value [Line Items]
Fair Value ($)	$ 1,808
Designated as Hedging Instrument \| Interest rate swap contracts \| Other assets
Derivatives, Fair Value [Line Items]
Asset derivatives	703	$ 233
Designated as Hedging Instrument \| Interest rate swap contracts \| Other liabilities
Derivatives, Fair Value [Line Items]
Fair Value ($)	$ 3,187	$ 3,529
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Number of instruments \| contract	4	1
Not Designated as Hedging Instrument \| Interest rate swap contracts \| Other assets
Derivatives, Fair Value [Line Items]
Asset derivatives	$ 30	$ 0
Not Designated as Hedging Instrument \| Commodity swap contracts \| Other assets
Derivatives, Fair Value [Line Items]
Asset derivatives	33	0
Not Designated as Hedging Instrument \| Commodity swap contracts \| Other liabilities
Derivatives, Fair Value [Line Items]
Fair Value ($)	70	0
Not Designated as Hedging Instrument \| Interest make-whole provisions \| Other assets
Derivatives, Fair Value [Line Items]
Fair Value ($)	$ 1,808	$ 0

- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

+ References

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- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

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- Definition

The number of derivative instruments of a particular group held by the entity.

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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

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