Name:	ryl_CashDeposits
Namespace Prefix:	ryl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

This element represents cash deposits and/or letters of credit provided to the selling party in accordance with the terms of a lot option purchase contract that was determined to be a variable interest entity; however, the entity does not have the primary variable interest in the VIE.

No definition available.

Name:	ryl_CashDepositsAndOrLettersOfCreditNotPrimaryVariableInterest
Namespace Prefix:	ryl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Consolidation of inventory relating to land and lot option purchase contracts, and/or homebuilding joint ventures, where it has been determined that the entity has the primary variable interest.

No definition available.

Name:	ryl_InventoryRealEstateNotOwned
Namespace Prefix:	ryl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

This element represents the aggregate purchase price of lots expected to be purchased in accordance with executed lot option purchase contracts that were determined to be variable interest entities; however, the entity does not have the primary variable interest in the VIEs.

No definition available.

Name:	ryl_RealEstateAggregatePurchasePriceNotPrimaryVariableInterest
Namespace Prefix:	ryl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Portion of equity (net assets) in a variable interest entity (VIE) not attributable, directly or indirectly, to the parent entity. That is, this is the portion of equity in a VIE that is attributable to the noncontrolling interest (previously referred to as minority interest).

No definition available.

Name:	us-gaap_NoncontrollingInterestInVariableInterestEntity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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.

No definition available.