Commitments are subject to a borrowing base limitation equal to the sum of: one hundred percent (100%) of unrestricted cash (in excess of $15.0 million); eighty five percent (85%) of the book value of model homes, construction in progress homes, sold completed homes, and speculative homes (subject to certain limitations on the age and number of speculative homes and model homes); sixty five percent (65%) of the book value of finished lots and land under development; and fifty percent (50%) of the book value of entitled land (subject to certain limitations on the value of entitled land and land under development as a percentage of the borrowing base). Loans under the revolving credit facility may be used for general corporate purposes.

No definition available.

Debt (Schedule of Lines of Credit Outstanding) (Details) - USD ($) $ in Thousands	May 03, 2016	Dec. 15, 2015	Jul. 30, 2015	Jun. 30, 2016	Dec. 31, 2015
Line of Credit Facility [Line Items]
Long-term Line of Credit				$ 63,500	$ 47,500
JohnsCreekCarrolltonAllen [Member] \| Inwood National Bank [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 50,000		$ 50,000
Long-term Line of Credit				23,500	17,500
BorrowingBaseLimitationTotalValueOfland	50.00%		50.00%
BorrowingBaseLimitationTotalValueOfLotsOwned	65.00%		60.00%
MaximumValueOfLandUsedWhenCalculatingBorrowingBase	65.00%		50.00%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.25%
Other Assets [Member] \| JohnsCreekCarrolltonAllen [Member] \| Inwood National Bank [Member]
Line of Credit Facility [Line Items]
Debt Issuance Cost			$ 400
Minimum [Member] \| JohnsCreekCarrolltonAllen [Member] \| Inwood National Bank [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			4.00%
Maximum [Member] \| JohnsCreekCarrolltonAllen [Member] \| Inwood National Bank [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			18.00%
Unsecured Debt [Member] \| Unsecured Revolving Credit Facility [Member] \| Citibank, N.A. and Credit Suisse AG, CAyman Islands Branch [Member]
Line of Credit Facility [Line Items]
Long-term Line of Credit		$ 40,000		$ 40,000	$ 30,000
Debt Instrument, Interest Rate, Effective Percentage				2.90%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage		0.45%
Unrestricted Cash Borrowing Base Limitation		100.00%
Borrowing Base Limitation for Unrestricted Cash		$ 15,000
Book Value of Model Homes Borrowing Base		85.00%
Book Value of Finished Lots and Land Under Development		65.00%
Book Value of Entitled Land		50.00%
Unsecured Debt [Member] \| Unsecured Revolving Credit Facility [Member] \| Citibank, N.A. [Member]
Line of Credit Facility [Line Items]
Long-term Line of Credit		$ 25,000
Unsecured Debt [Member] \| Unsecured Revolving Credit Facility [Member] \| Credit Suisse AG, Cayman Islands Branch [Member]
Line of Credit Facility [Line Items]
Long-term Line of Credit		15,000
Unsecured Debt [Member] \| Other Assets [Member] \| Unsecured Revolving Credit Facility [Member] \| Citibank, N.A. and Credit Suisse AG, CAyman Islands Branch [Member]
Line of Credit Facility [Line Items]
Debt Issuance Cost		500
Unsecured Debt [Member] \| Maximum [Member] \| Unsecured Revolving Credit Facility [Member] \| Citibank, N.A. and Credit Suisse AG, CAyman Islands Branch [Member]
Line of Credit Facility [Line Items]
Long-term Line of Credit		$ 75,000
Unsecured Debt [Member] \| Base Rate [Member] \| Unsecured Revolving Credit Facility, Base Rate Advances [Member] \| Citibank, N.A. and Credit Suisse AG, CAyman Islands Branch [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate		1.50%
Unsecured Debt [Member] \| Federal Funds Effective Swap Rate [Member] \| Unsecured Revolving Credit Facility, Base Rate Advances [Member] \| Citibank, N.A. and Credit Suisse AG, CAyman Islands Branch [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate		0.50%
Unsecured Debt [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Unsecured Revolving Credit Facility, Base Rate Advances [Member] \| Citibank, N.A. and Credit Suisse AG, CAyman Islands Branch [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate		1.00%
Unsecured Debt [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Unsecured Revolving Credit Facility, Eurodollar Rate Advances [Member] \| Citibank, N.A. and Credit Suisse AG, CAyman Islands Branch [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate		2.50%