Land and Development Costs and Subsurface Interests - Summary of Land and Development Costs (Parenthetical) (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Land and Development Costs	$ 51,955,278	$ 53,406,020
Variable Interest Entity [Member]
Land and Development Costs	0	11,329,574
Developable Land
Land and Development Costs	39,681,558	38,736,865
Developable Land \| Variable Interest Entity [Member]
Land and Development Costs	$ 0	$ 11,329,574

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

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