XML 59 R49.htm IDEA: XBRL DOCUMENT
v3.19.1

Real Estate Inventories - Summary of Real Estate Held for Development and Sale (Detail) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Real Estate Properties [Line Items] |  |
Real estate inventories | $ 17,598 | $ 20,253
Land and Land Development Costs [Member] |  |
Real Estate Properties [Line Items] |  |
Real estate inventories | 7,919 | 9,741
Cost of Construction (Including Capitalized Interest and Real Estate Taxes) [Member] |  |
Real Estate Properties [Line Items] |  |
Real estate inventories | $ 9,679 | $ 10,512

X
- Definition Carrying amount as of the balance sheet date, net of valuation allowances and impairment losses, of costs of land expected to be developed in the near term plus capitalized costs of development, for purposes of selling completed units to home buyers or commercial or industrial entities.. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_InventoryRealEstateLandAndLandDevelopmentCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandAndLandImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=chci_InterestCostCapitalizedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |