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Derivatives - Summary of Gains Losses on Derivative Contracts Included in Condensed Consolidated Statements of Operations (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Rate lock commitments | Compensation and employee benefits |  |
Derivative Instruments, Gain (Loss) |  |
Gain (loss) recognized in income for derivatives | $ 1,100 | $ 1,400
Not Designated as Hedging Instrument |  |
Derivative Instruments, Gain (Loss) |  |
Gain (loss) recognized in income for derivatives | 732 | 2,245
Not Designated as Hedging Instrument | Nasdaq Forwards | Other income (loss), net |  |
Derivative Instruments, Gain (Loss) |  |
Gain (loss) recognized in income for derivatives | (5,602) | 21,173
Not Designated as Hedging Instrument | Rate lock commitments | Gains (loss) from mortgage banking activities/originations, net |  |
Derivative Instruments, Gain (Loss) |  |
Gain (loss) recognized in income for derivatives | 4,694 | 60,163
Not Designated as Hedging Instrument | Rate lock commitments | Compensation and employee benefits |  |
Derivative Instruments, Gain (Loss) |  |
Gain (loss) recognized in income for derivatives | (1,117) | (1,411)
Not Designated as Hedging Instrument | Forward sale contracts | Gains (loss) from mortgage banking activities/originations, net |  |
Derivative Instruments, Gain (Loss) |  |
Gain (loss) recognized in income for derivatives | $ 2,757 | $ (77,680)

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 + Details
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