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Acquisitions - Summary of Components of Purchase Consideration Transferred and Preliminary Allocation of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands |  | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jan. 31, 2021 | Jun. 30, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Allocations |  |  |  |
Goodwill |  | $ 597,462 | $ 560,332 | $ 557,914
Knotel, Inc. |  |  |  |
Purchase Price |  |  |  |
First and second lien debt | $ 39,584 | 39,600 |  |
Debtor-in-possession financing | 19,788 | 19,800 |  |
Assumed liability | 7,868 | 7,900 |  |
Total | 67,240 |  |  |
Allocations |  |  |  |
Cash | 7,355 |  |  |
Goodwill | 37,123 | $ 37,100 |  |
Other intangible assets, net | 17,000 |  |  |
Receivables, net | 3,305 |  |  |
Fixed Assets, net | 20,237 |  |  |
Other assets | 43,650 |  |  |
Right-of-use Assets | 239,702 |  |  |
Right-of-use Liabilities | (236,634) |  |  |
Accounts payable, accrued expenses and other liabilities | (64,498) |  |  |
Net assets acquired | $ 67,240 |  |  |
2020 Acquisitions |  |  |  |
Purchase Price |  |  |  |
Cash, stock and units issued at closing |  |  | 6,249 |
Assumed liability |  |  | 3,590 |
Total |  |  | 9,839 |
Allocations |  |  |  |
Goodwill |  |  | 6,294 |
Other intangible assets, net |  |  | 2,700 |
Receivables, net |  |  | 796 |
Fixed Assets, net |  |  | 134 |
Other assets |  |  | 29 |
Accounts payable, accrued expenses and other liabilities |  |  | (114) |
Net assets acquired |  |  | $ 9,839 |

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