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Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Aug. 30, 2019 | Aug. 20, 2019 | Jul. 26, 2019 | Apr. 30, 2020 | Feb. 29, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Members Equity [Line Items] |  |  |  |  |  |  |
Common stock, shares authorized (in shares) |  |  |  |  |  | 37,500,000 | 37,500,000
Common stock, par value (usd per share) |  |  |  |  |  | $ 0.001 | $ 0.001
Issuance of common stock in satisfaction of indebtedness (in shares) | 1,470,807 |  |  |  |  |  |
Convertible debt, exchanged | $ 7,000 |  |  |  |  | $ 0 | $ 6,889
Common stock issued to former directors (in shares) |  |  |  |  | 34,706 |  |
RSA |  |  |  |  |  |  |
Members Equity [Line Items] |  |  |  |  |  |  |
Number of shares granted |  |  |  | 61,308 |  |  |
Share Exchange Agreement |  |  |  |  |  |  |
Members Equity [Line Items] |  |  |  |  |  |  |
Percentage of number of common stock issued and outstanding under share exchange agreement |  |  | 90.00% |  |  |  |
Share Exchange Agreement | Board of Directors Chairman |  |  |  |  |  |  |
Members Equity [Line Items] |  |  |  |  |  |  |
Percentage of beneficial ownership |  |  | 88.40% |  |  |  |
Share Exchange Agreement | PEG Partners LLC |  |  |  |  |  |  |
Members Equity [Line Items] |  |  |  |  |  |  |
Percentage of outstanding limited liability owned |  |  | 80.00% |  |  |  |
Parent Company | Share Exchange Agreement |  |  |  |  |  |  |
Members Equity [Line Items] |  |  |  |  |  |  |
Ownership interest (as a percent) |  |  | 100.00% |  |  |  |
Parent Company | Share Exchange Agreement | American Electric |  |  |  |  |  |  |
Members Equity [Line Items] |  |  |  |  |  |  |
Ownership interest (as a percent) |  |  | 100.00% |  |  |  |
Parent Company | Share Exchange Agreement | PEG Partners LLC |  |  |  |  |  |  |
Members Equity [Line Items] |  |  |  |  |  |  |
Ownership interest (as a percent) |  |  | 20.00% |  |  |  |
Percentage of outstanding units exchanged |  |  | 100.00% |  |  |  |
American Electric |  |  |  |  |  |  |
Members Equity [Line Items] |  |  |  |  |  |  |
Number of common stock issued under share exchange agreement (in shares) |  |  | 1,466,092 |  |  |  |
Stabilis LLC | Share Exchange Agreement |  |  |  |  |  |  |
Members Equity [Line Items] |  |  |  |  |  |  |
Number of common stock issued under share exchange agreement (in shares) |  |  | 13,178,750 |  |  |  |
Diversenergy, LLC |  |  |  |  |  |  |
Members Equity [Line Items] |  |  |  |  |  |  |
Value of shares issued as partial consideration in acquisition |  | $ 3,000 |  |  |  |  |
Diversenergy, LLC | Common Stock |  |  |  |  |  |  |
Members Equity [Line Items] |  |  |  |  |  |  |
Number of common stock issued under share exchange agreement (in shares) |  | 684,963 |  |  |  |  |

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