Land and Development Costs and Subsurface Interests - Summary of Land and Development Costs (Detail) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Real Estate [Abstract]
Undeveloped Land ($11,329,574 Related to Consolidated VIE as of December 31, 2015)	$ 11,631,354	$ 301,780
Developed Land and Development Costs	27,105,511	22,903,969
Land, Timber, and Subsurface Interests	14,669,155	14,865,515
Total Land and Development Costs	$ 53,406,020	$ 38,071,264

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..

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

Name:	us-gaap_InventoryRealEstateLandAndLandDevelopmentCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant