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Related Party Transactions - Additional Information (Details) $ in Millions | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2018 USD ($) | Dec. 31, 2020 USD ($) PromissoryNote | Apr. 30, 2018 USD ($) | Feb. 28, 2018 USD ($) | Jan. 31, 2018 USD ($)
SAJET Resources LLC [Member] | Maximum [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Ownership interest | 100.00% |  |  |  |
Former Holders of Pre-IPO Common Equity Including Current and Former Executives Managers and Directors [Member] | SAJET Resources LLC [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Collective own interest rate |  |  |  |  | 18.00%
SAJET Resources LLC [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Extinguishment of debt in exchange for promissory note | $ 9.9 |  |  |  |
Minority shareholders interest sold |  |  | 1.60% |  |
Minority shareholders interest amount |  |  | $ 0.1 |  |
Number of outstanding promissory notes | PromissoryNote |  | 3 |  |  |
SAJET Resources LLC [Member] | Promissory Note One [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Promissory notes outstanding |  | $ 9.9 |  |  |
Basis spread on variable rate |  | 6.00% |  |  |
Variable rate basis |  | prime rate |  |  |
SAJET Resources LLC [Member] | Promissory Note Two [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Promissory notes outstanding |  | $ 0.2 |  |  |
Basis spread on variable rate |  | 6.00% |  |  |
Variable rate basis |  | prime rate |  |  |
SAJET Resources LLC [Member] | Promissory Note Three [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Promissory notes outstanding |  | $ 0.5 |  |  |
Basis spread on variable rate |  | 6.00% |  |  |
Variable rate basis |  | prime rate |  |  |
SAJET Resources LLC [Member] | Maximum [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Amount charged to related parties for service. |  |  |  | $ 0.1 | $ 0.1
Warburg Funds Transaction [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired | 82.00% |  |  |  |
Cash payments related to acquisition | $ 5.0 |  |  |  |

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