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Common Units Issued Price Per Share

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Percentage of the Company's Founder and Co-Chairman beneficial ownership percentage of the Company's issued and outstanding common stock.

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Percentage Of Common Stock Shares Issued And Outstanding

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Percentage Of Outstanding Shares Contributed Under Contribution And Exchange Agreement

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Number of shares of equity interests issued or issuable to acquire entity.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Maximum number of common units of ownership permitted to be issued by a limited liability company (LLC).

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Stated value of common units of ownership issued by a limited liability company (LLC).

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Number of common units issued of limited liability company (LLC).

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The increase (decrease) during the reporting period in receivables to be collected from other entities that could exert significant influence over the reporting entity.

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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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Amount of ownership interest in limited liability company (LLC) directly or indirectly attributable to noncontrolling interests.

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Total contributions made by each class of partners (i.e., general, limited and preferred partners).

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Members Equity - Additional Information (Detail) - USD ($)				6 Months Ended		12 Months Ended
	Jul. 26, 2019	Nov. 30, 2018	Nov. 29, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 17, 2018	Feb. 28, 2017	Feb. 11, 2013
Members Equity [Line Items]
Membership units issued										1,000
Membership units issued, par value										$ 1
Membership units issued, capital contribution value										$ 1,000
Minority interest				$ 1,530,000		$ 1,323,000	$ 1,365,000
Notes receivable due from chief operating officer, settled				$ 708,000	$ (1,483,000)	1,145,000	$ (1,054,000)
Members contribution, units		1,000
Members contribution, value						$ 48,743,000
Convertible debt, exchanged		$ 48,700,000
American Electric Technologies Inc [Member]
Members Equity [Line Items]
Percentage of outstanding units exchanged								100.00%
Capital Unit, Class B [Member] \| LNG Investments [Member]
Members Equity [Line Items]
Members contribution, units		2,000
Members contribution, value		$ 20,000,000
Capital Unit, Class A [Member] \| LNG Investments [Member]
Members Equity [Line Items]
Aggregate number of common units issued in exchange for indebtedness		$ 4,874.28
JCH Crenshaw Holdings LLC [Member]
Members Equity [Line Items]
Members contribution, units		500
Members contribution, value		$ 10,000,000
JCH Crenshaw Holdings LLC [Member] \| Capital Unit, Class B [Member] \| LNG Investments [Member]
Members Equity [Line Items]
Members contribution, units		1,000
Members contribution, value		$ 10,000,000
Crenshaw Family Holdings LP [member]
Members Equity [Line Items]
Members contribution, units		500
Members contribution, value		$ 10,000,000
Crenshaw Family Holdings LP [member] \| Capital Unit, Class B [Member] \| LNG Investments [Member]
Members Equity [Line Items]
Members contribution, units		1,000
Members contribution, value		$ 10,000,000
Chief Executive Officer [Member]
Members Equity [Line Items]
Notes receivable due from chief operating officer, settled			$ (500,000)
Maximum [Member]
Members Equity [Line Items]
Units authorized										1,000
Subsequent Event [Member] \| Share Exchange Agreement [Member]
Members Equity [Line Items]
Business combination share exchange resultant description	$ 0
Number of common stock issued under share exchange agreement	105,558,606
Percentage of number of common stock issued and outstanding under share exchange agreement	90.00%
Subsequent Event [Member] \| Parent Company [Member] \| Share Exchange Agreement [Member]
Members Equity [Line Items]
Ownership interest acquired	100.00%
Subsequent Event [Member] \| Board of Directors Chairman [Member] \| Share Exchange Agreement [Member]
Members Equity [Line Items]
Percentage of beneficial ownership	88.40%
PEG Partners LLC [Member]
Members Equity [Line Items]
Ownership interest acquired									80.00%
Minority interest									$ 1,600,000
Minority interest percentage									20.00%
PEG Partners LLC [Member] \| Subsequent Event [Member] \| Share Exchange Agreement [Member]
Members Equity [Line Items]
Percentage of outstanding limited liability owned	80.00%
PEG Partners LLC [Member] \| Subsequent Event [Member] \| Parent Company [Member] \| Share Exchange Agreement [Member]
Members Equity [Line Items]
Ownership interest acquired	20.00%
Percentage of outstanding limited liability owned	100.00%
American Electric Technologies Inc [Member] \| Subsequent Event [Member] \| Parent Company [Member] \| Share Exchange Agreement [Member]
Members Equity [Line Items]
Percentage of outstanding limited liability owned	100.00%