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Summary of Common Units Received Under Adjustment Agreement (Detail) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 14, 2021 | Apr. 14, 2021 | Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Number of Common Units Received | 2,311,482 |  |  |  |  |  |
Value Of Common Units Received From Company One | $ (10,237) |  |  |  | $ 10,237 | $ 3,620 | $ 1,552
Annual Common Unit Adjustment [Member] |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Date Common Units Received |  | Apr. 14, 2021 | Mar. 31, 2020 | Mar. 31, 2019 |  |  |
Number of Common Units Received |  | 2,311,482 | 1,112,368 | 219,056 |  |  |
Value Of Common Units Received From Company One |  | $ 10,237 | $ 3,620 | $ 1,552 |  |  |

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