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Fixed Assets, Net - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Property, Plant and Equipment [Line Items] |  |  |  |  |
Depreciation expense |  |  | $ 42,910 | $ 41,842 |
Asset retirement obligations | $ 6,500 |  | 6,500 |  | $ 5,900
Impairment charges | 1,100 | $ 200 | 3,100 | 5,000 |
Occupancy and equipment |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Depreciation expense | 6,600 | 5,900 | 12,900 | 12,000 |
Software development costs capitalized | 10,800 | 15,300 | 23,900 | 28,300 |
Amortization of software development costs | $ 8,000 | $ 7,700 | $ 16,300 | $ 15,300 |

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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Additions made to capitalized computer software costs during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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