Name:	caa_InventoryRealEstateLandAndLandDevelopmentCostsLandPurchasedDuringPeriod
Namespace Prefix:	caa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the percentage of land purchased during the period that is allocated (based on homesites) to a certain category. This may include, but is not limited to, a percentage of one or more of the following: segments, subsegments, or geographical regions.

No definition available.

Name:	caa_InventoryRealEstateLandPurchasedDuringPeriodPercentageOfHomesitesIncludedInACertainCategory
Namespace Prefix:	caa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the land purchased during the period, for development, expressed in terms of the number of homesites.

No definition available.

Name:	caa_InventoryRealEstateNumberOfHomesitesPurchasedDuringThePeriod
Namespace Prefix:	caa_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The number of active and future projects owned.

No definition available.

Name:	caa_NumberOfActiveAndFutureProjectsOwned
Namespace Prefix:	caa_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2921-110230

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

Name:	us-gaap_ImpairmentOfRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Name:	us-gaap_StatementBusinessSegmentsAxis=caa_HomebuildingNorthMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_StatementBusinessSegmentsAxis=caa_HomebuildingSoutheastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_StatementBusinessSegmentsAxis=caa_HomebuildingSouthwestMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: