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v3.25.2

Operating and Reporting Segments (Fair Value Inputs for Commercial Mortgage-Backed Securities) (Details) - CMBS - Lennar Financial Services | 6 Months Ended
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May 31, 2025
Minimum |
Segment Reporting Information [Line Items] |
Discount rates at purchase | 6.00%
Coupon rates | 2.00%
Maximum |
Segment Reporting Information [Line Items] |
Discount rates at purchase | 84.00%
Coupon rates | 5.30%

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- Definition Held to Maturity Securities, Coupon Rate + References No definition available. + Details
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Namespace Prefix: | len_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Held to Maturity Securities, Discount Rate as a Percent of Face Value + References No definition available. + Details
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Namespace Prefix: | len_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |