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Common Unit Repurchase and Retirement - Company's Repurchase Activities (Detail) - $ / shares shares in Thousands | 1 Months Ended | 3 Months Ended | 98 Months Ended | 99 Months Ended |
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Jul. 31, 2021 | Jun. 30, 2021 | May 31, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Aug. 31, 2020 | Sep. 30, 2020 | Apr. 30, 2021 | [3]
Repurchase Plan |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total Number of Units Purchased |  |  | 259 | 309 |  | 568 | 538 |  | 2,591 |  | 14,400 | 17,697 |
Average Price Paid per Unit | [1] |  | $ 11.06 | $ 10.83 |  | $ 10.94 | $ 9.67 |  | $ 9.75 |  |  | $ 8.26 |
Maximum Number of Units that May Yet Be Purchased |  |  | 3,433 | 3,692 | [2] | 3,433 | 4,001 | [3] | 4,539 | [4],[5] |  | 5,730 | 4,001
Repurchase Plan | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total Number of Units Purchased |  | 25 |  |  |  |  |  |  |  |  |  |  |
Average Price Paid per Unit | [1] | $ 11.27 |  |  |  |  |  |  |  |  |  |  |
Maximum Number of Units that May Yet Be Purchased | [6] | 3,408 |  |  |  |  |  |  |  |  |  |  |
Publicly Announced Plans or Programs As Part of Repurchase Plan |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total Number of Units Purchased |  |  | 259 | 309 |  | 568 | 538 |  | 1,191 |  |  | 14,622 |
Publicly Announced Plans or Programs As Part of Repurchase Plan | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |
Capital Unit [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total Number of Units Purchased |  | 25 |  |  |  |  |  |  |  |  |  |  |
[1] | Amount includes repurchase costs.
[2] | On May 28, 2021, the Company purchased 0.3 million Common Units in a private transaction for aggregate consideration of approximately $2.8 million. The purchase was made within the Company’s unit repurchase plan.
[3] | On January 28, 2021, the Company purchased 0.1 million Common Units in a private transaction for aggregate consideration of approximately $1.3 million. The purchase was made within the Company’s unit repurchase plan.
[4] | On December 10, 2020, the Company purchased 0.4 million Common Units in a private transaction for aggregate consideration of approximately $4.2 million. The purchase was made within the Company’s unit repurchase plan.
[5] | On November 16, 2020, the Company purchased 1.4 million Common Units in a private transaction for aggregate consideration of approximately $13.8 million. The purchase was made outside of the Company’s unit repurchase plan.
[6] | Of the total available for repurchase, approximately 3.1 million units are available for repurchase in open market transactions and 0.3 million units are available for repurchase in privately-negotiated transactions, under the Repurchase Plan.

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