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VARIABLE INTEREST ENTITIES - Summary of the Carrying Value of the Assets and Liabilities and Maximum Loss Exposure for the Alternative Energy Partnerships (Details) - Variable Interest Entity, Not Primary Beneficiary - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Variable Interest Entity [Line Items]
Cash	$ 4,224	$ 3,012
Equipment, net of depreciation	248,920	259,464
Other assets	6,301	4,470
Total unconsolidated assets	259,445	266,946
Total unconsolidated liabilities	7,143	6,269
Maximum loss exposure	$ 32,525	$ 28,988

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- Definition

Variable Interest Entity, Nonconsolidated, Carrying Amount, Cash

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- Definition

Variable Interest Entity, Nonconsolidated, Carrying Amount, Equipment, Net

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- Definition

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- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=118582676&loc=d3e5747-111685

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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.

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- Definition

Carrying amount of the assets in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
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-Paragraph 4
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- Definition

Carrying amount of the liabilities in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary.

+ References

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