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Operating and Reporting Segments - Unrealized Gain (Loss) on Investments (Details) - Lennar Other - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Aug. 31, 2021 | Aug. 31, 2020 | Aug. 31, 2021 | Aug. 31, 2020
Segment Reporting Information [Line Items] |  |  |  |
Lennar Other realized and unrealized gain (loss) | $ 495,202 | $ 0 | $ 847,377 | $ 0
Other realized gain | 0 | 0 | 3,580 | 0
Disposal Group, Held-for-sale, Not Discontinued Operations | Sunnova Energy International Inc. |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Gain on sale | 1,531 | 0 | 153,006 | 0
Hippo |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Lennar Other realized and unrealized gain (loss) | 324,855 | 0 | 324,855 | 0
SmartRent |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Lennar Other realized and unrealized gain (loss) | 100,793 | 0 | 100,793 | 0
Opendoor |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Lennar Other realized and unrealized gain (loss) | 37,301 | 0 | 272,756 | 0
Sunnova Energy International Inc. |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Lennar Other realized and unrealized gain (loss) | 23,870 | 0 | (14,465) | 0
Blend Labs |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Lennar Other realized and unrealized gain (loss) | $ 6,852 | $ 0 | $ 6,852 | $ 0

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- Definition Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109222160&loc=d3e957-107759 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3B -URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721525-107759 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5C -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721675-107760 + Details
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- Definition Amount of realized gain (loss) on investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.3(a)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 + Details
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- Definition Amount of unrealized gain (loss) on investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
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