Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Segment Reporting Information [Line Items]
Entity Emerging Growth Company	false
Revenues:
Total revenues	$ 168,628	$ 129,163
Gross profit:
Gross Profit	35,366	32,634
Income (loss) before income taxes:
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	15,319	16,611
Inventory:
Total inventory	690,817		$ 668,961
Goodwill: (5)
Goodwill	680		680
Builder operations
Revenues:
Total revenues	161,598	125,164
Gross profit:
Gross Profit, Home Building	37,404	34,385
Inventory:
Total inventory	338,704		320,596
Builder operations | Southeast [Domain]
Revenues:
Total revenues	77,173	52,718
Gross profit:
Gross Profit, Home Building	19,287	11,864
Income (loss) before income taxes:
Results of Operations, Income before Income Taxes	9,152	7,978
Inventory:
Total inventory	173,176		159,616
Goodwill: (5)
Goodwill	680		680
Builder operations | Central
Revenues:
Total revenues	84,425	72,446
Gross profit:
Gross Profit, Home Building	18,117	22,521
Income (loss) before income taxes:
Results of Operations, Income before Income Taxes	6,938	11,100
Inventory:
Total inventory	165,528		160,980
Land development
Revenues:
Total revenues	7,030	3,999
Gross profit:
Gross Profit on Land and Lots	1,783	1,285
Income (loss) before income taxes:
Results of Operations, Income before Income Taxes	2,677	1,019
Inventory:
Total inventory	330,716		329,105
Corporate and Other [Member]
Gross profit:
Other General Expense	(3,821)	(3,036)
Income (loss) before income taxes:
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(3,448)	(3,486)
Inventory:
Total inventory	21,397		$ 19,260
Real Estate, Other [Member]
Revenues:
Total revenues	7,040	7,899
Real Estate, Other [Member] | Southeast [Domain]
Revenues:
Total revenues	10	3,900
Real Estate, Other [Member] | Central
Revenues:
Total revenues	7,030	3,999
Real Estate, Other [Member] | Builder operations
Revenues:
Total revenues	$ 0	$ 3,900