XML 54 R42.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Inventory - Narrative (Details) $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2017 USD ($) home lot Community | Sep. 30, 2017 USD ($) home | Dec. 31, 2016 Community
Inventory Disclosure [Abstract] |  |  |
Number of substantially completed homes unsold | home | 167 | 171 |
Total value of substantially completed homes | $ | $ 54.3 | $ 52.6 |
Threshold number of homes below a minimum threshold of profitability | home | 10 |  |
Real Estate Properties [Line Items] |  |  |
Assets acquired from Bill Clark Homes | lot | 450 |  |
Payments to Acquire Real Estate | $ | $ 29.0 |  |
Number of communities on watch list | 2 |  | 8
Number of communities requiring further analysis | 0 |  | 0
West Segment |  |  |
Real Estate Properties [Line Items] |  |  |
Number of communities requiring further analysis | 1 |  | 7
East Segment |  |  |
Real Estate Properties [Line Items] |  |  |
Number of communities requiring further analysis |  |  | 1
Southeast Segment |  |  |
Real Estate Properties [Line Items] |  |  |
Number of communities requiring further analysis | 1 |  |
Raleigh |  |  |
Real Estate Properties [Line Items] |  |  |
Communities acquired from Bill Clark Homes | 4 |  |
Myrtle Beach |  |  |
Real Estate Properties [Line Items] |  |  |
Communities acquired from Bill Clark Homes | 3 |  |

X
- Definition Lots acquired from Bill Clark Homes + References No definition available. + Details
Name: | bzh_AssetsacquiredfromBillClarkHomes
Namespace Prefix: | bzh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Communities acquired from Bill Clark Homes + References No definition available. + Details
Name: | bzh_CommunitiesacquiredfromBillClarkHomes
Namespace Prefix: | bzh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Communities on Watch List + References No definition available. + Details
Name: | bzh_NumberOfCommunitiesOnWatchList
Namespace Prefix: | bzh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Communities, Undiscounted Cash Flow Analysis Prepared + References No definition available. + Details
Name: | bzh_NumberofCommunitiesUndiscountedCashFlowAnalysisPrepared
Namespace Prefix: | bzh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of Real Estate Properties, Completed Homes Unsold + References No definition available. + Details
Name: | bzh_NumberofRealEstatePropertiesCompletedHomesUnsold
Namespace Prefix: | bzh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Threshold Number of Homes Below a Minimum Threshold of Profitability + References No definition available. + Details
Name: | bzh_ThresholdNumberofHomesBelowaMinimumThresholdofProfitability
Namespace Prefix: | bzh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of Real Estate Properties, Completed Unsold Homes + References No definition available. + Details
Name: | bzh_ValueOfRealEstatePropertiesCompletedUnsoldHomes
Namespace Prefix: | bzh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_InventoryDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- 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
Name: | us-gaap_RealEstatePropertiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bzh_WestSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bzh_EastSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=bzh_SoutheastSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=bzh_RaleighMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=bzh_MyrtleBeachMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |