Commercial and income producing properties unit.

No definition available.

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- Definition

Cost of asset in entitled developed and under development projects.

+ References

No definition available.

+ Details

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- Definition

Costs relate to water, sewer and other infrastructure assets.

+ References

No definition available.

+ Details

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- Definition

Cumulative Reimbursable Costs Associated with Real Estate Projects in Development

+ References

No definition available.

+ Details

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- Definition

Number of units of multifamily project.

+ References

No definition available.

+ Details

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- Definition

Return of reimbursements received in relation to direct costs and expenses previously paid or incurred for development of real estate projects

+ References

No definition available.

+ Details

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- Definition

Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.1(d))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- Definition

Return of or reimbursements received in relation to direct costs and expenses previously paid or incurred.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Real Estate - Additional Information (Detail) (USD $)	3 Months Ended
Real Estate - Additional Information (Detail) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Real Estate Properties [Line Items]
Costs relate to water, sewer and other infrastructure assets	$ 1,520,000
Reimbursements from utility and improvement districts	(4,130,000)us-gaap_RecoveryOfDirectCosts	(1,536,000)us-gaap_RecoveryOfDirectCosts
Real Estate Investment Property, Net	164,219,000us-gaap_RealEstateInvestmentPropertyNet		161,301,000us-gaap_RealEstateInvestmentPropertyNet
Utility and Improvement District [Member]
Real Estate Properties [Line Items]
Cost of asset in developed and under development projects	90,506,000		65,212,000
Cibolo Canyons Project [Member]
Real Estate Properties [Line Items]
Return of reimbursements received in relation to direct costs and expenses previously paid or incurred for development of real estate projects	33,552,000		33,552,000
Costs relate to water, sewer and other infrastructure assets	15,189,000
Consolidated Properties [Member]
Real Estate Properties [Line Items]
Reimbursements from utility and improvement districts	4,130,000
Multi Family Development Properties [Member]
Real Estate Properties [Line Items]
Real Estate Investment Property, Net	78,566,000
San Antonio Texas [Member] \| Cibolo Canyons Project [Member]
Real Estate Properties [Line Items]
Cost of asset in developed and under development projects	47,075,000		31,913,000
Cumulative Reimbursable Cost Associated with Real Estate Projects in Development	65,438,000		65,465,000
Austin, Texas [Member] \| Multi Family Property [Member]
Real Estate Properties [Line Items]
Real Estate Investment Property, Net	52,742,000
Number Of Units Of Multifamily Project	257
Austin, Texas [Member] \| Hotel Property [Member]
Real Estate Properties [Line Items]
Real Estate Investment Property, Net	32,505,000
Commercial and income producing properties, investment unit	413
Fort Worth [Member] \| 713910 Golf Courses and Country Clubs [Member]
Real Estate Properties [Line Items]
Real Estate Investment Property, Net	$ 406,000