Proceeds From Rights Offering, Net

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- Definition

Related Party Costs Per Month

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Non-Option Equity Instruments, Exercisable, Number

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No definition available.

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Non-Option Equity Instruments, Exercisable, Weighted Average Exercise Price

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No definition available.

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- Definition

Share-based Compensation Arrangement By Share-based Payment Award, Exercisable Upon Vesting

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- Definition

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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- Definition

The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

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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

Net number of non-option equity instruments granted to participants.

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- Definition

Percentage of vesting of share-based compensation awards.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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RELATED PARTY TRANSACTIONS - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions						1 Months Ended	3 Months Ended
	Apr. 05, 2019	Mar. 20, 2019	Nov. 19, 2018	Apr. 30, 2018	Apr. 10, 2018	Dec. 31, 2018	Mar. 31, 2019	May 31, 2018
Related Party Transaction [Line Items]
Proceeds from rights offering				$ 248,400,000
BPRI Executive Consulting, LLC \| Stock Appreciation Rights
Related Party Transaction [Line Items]
Stock appreciation rights granted (in shares)						8.4
Expiration period						10 years
Award vesting percentage						100.00%
Exercise period						10 days
Share price (in dollars per share)						$ 2.00
Vintage Capital Management, LLC
Related Party Transaction [Line Items]
Proceeds from rights offering					$ 245,000,000
Babcock & Wilcox Enterprises, Inc. \| B. Riley Financial, Inc.
Related Party Transaction [Line Items]
Ownership interest								5.00%
Babcock & Wilcox Enterprises, Inc. \| B. Riley Capital Management, LLC
Related Party Transaction [Line Items]
Ownership percent of common stock							6.46%
Babcock & Wilcox Enterprises, Inc. \| Vintage Capital Management, LLC
Related Party Transaction [Line Items]
Ownership percent of common stock							14.85%
Financial advisory services \| BPRI Executive Consulting, LLC
Related Party Transaction [Line Items]
Related party payments			$ 750,000
Amended Credit Agreement \| B. Riley Financial, Inc.
Related Party Transaction [Line Items]
Proceeds from related party		$ 10,000,000
Amended Credit Agreement \| Subsequent Event \| B. Riley Financial, Inc.
Related Party Transaction [Line Items]
Proceeds from related party	$ 150,000,000
Share-based Compensation Award, Tranche One \| BPRI Executive Consulting, LLC \| Stock Appreciation Rights
Related Party Transaction [Line Items]
Share price (in dollars per share)						$ 2.25
Stock appreciation rights (in shares)						5.1
Share-based Compensation Award, Tranche Two \| BPRI Executive Consulting, LLC \| Stock Appreciation Rights
Related Party Transaction [Line Items]
Share price (in dollars per share)						$ 2.5
Stock appreciation rights (in shares)						3.3