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v3.20.1

Description of Business (Details) | Mar. 31, 2020 state region
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Number of states in which home building segments operate | state | 13
Number of regions in which entity operates | region | 3

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- Definition Number of Regions in which Entity Operates + References No definition available. + Details
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Namespace Prefix: | bzh_
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Balance Type: | na
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- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfStatesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
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Balance Type: | na
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