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Stock Transactions and Unit Redemptions - Gross Unit Redemptions and Share Repurchases of Class A Common Stock Table Footnote (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Class of Stock [Line Items] |  |  |  |
Weighted-average price for redemption of limited partnership units (in dollars per share) | $ 3.84 | $ 5.84 | $ 3.85 | $ 5.83
Aggregate purchase price of Class A common stock |  |  | $ 26,408 | $ 107,783
Limited Partnership |  |  |  |
Class of Stock [Line Items] |  |  |  |
Redeemed limited partnership units (in shares) | 1,000 | 4,700 | 1,000 | 4,700
Aggregate redemption price of limited partnership units | $ 3,700 | $ 27,300 | $ 3,800 | $ 27,300
FPUs |  |  |  |
Class of Stock [Line Items] |  |  |  |
Redeemed limited partnership units (in shares) | 40 | 44 | 100 | 100
Aggregate redemption price of limited partnership units | $ 100 | $ 200 | $ 200 | $ 200
Weighted-average price for redemption of founding/working partner units (in dollars per share) | $ 2.94 | $ 4.06 | $ 3.33 | $ 4.11
Class A Common Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common stock, shares issued for redemption/cancellation of units (in shares) | 4,700 | 13,800 | 7,900 | 15,400
Common stock, shares issued for exchange of units | 700 | 16,800 | 4,500 | 25,900
Stock repurchased during period (in shares) | 8,700 | 16,500 |  | 17,500
Aggregate purchase price of Class A common stock | $ 29,400 | $ 103,400 |  | $ 107,800
Weighted-average price of Class A common stock (in dollars per share) | $ 3.36 | $ 6.25 |  | $ 6.16

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- Definition Total change in each class of partners' capital accounts during the year due to redemptions and adjustments to redemption value. All partners include general, limited and preferred partners. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770 + Details
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