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Compensation - Compensation Expense Related to Class A Common Stock (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
LPU amortization | $ 78,596 | $ 74,282 | $ 41,721
RSU amortization | 15,126 | 10,291 | 7,465
Equity-based compensation and allocations of net income to limited partnership units and FPUs | 256,164 | 183,545 | 170,625
LPUs |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Issuance of common stock and grants of exchangeability | 128,107 | 84,966 | 100,948
Class A Common Stock | LPUs |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Issuance of common stock and grants of exchangeability | 128,107 | 84,966 | 100,948
Allocations of net income | 34,335 | 14,006 | 20,491
LPU amortization | 78,596 | 74,282 | 41,721
RSU amortization | 15,126 | 10,291 | 7,465
Equity-based compensation and allocations of net income to limited partnership units and FPUs | $ 256,164 | $ 183,545 | $ 170,625

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- Definition Aggregate amount of net income allocated to limited 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 5 -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770 + Details
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