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Segment Information (Details) $ in Thousands	3 Months Ended
Segment Information (Details) $ in Thousands	Mar. 31, 2019 USD ($) segment	Mar. 31, 2018 USD ($)	Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments \| segment	3
Revenue	$ 118,848	$ 123,231
Income before income taxes	(2,651)	(1,511)
Total assets	690,640		$ 696,097
Homebuilding Segment [Member]
Segment Reporting Information [Line Items]
Income before income taxes	(3,045)	(2,606)
Total assets	645,003		638,012
Fee Building Segment [Member]
Segment Reporting Information [Line Items]
Income before income taxes	394	1,095
Total assets	6,725		10,879
Corporate Unallocated [Member]
Segment Reporting Information [Line Items]
Total assets	38,912		47,206
Home Sales
Segment Reporting Information [Line Items]
Revenue	99,186	79,437
Home Sales \| Homebuilding Segment [Member]
Segment Reporting Information [Line Items]
Revenue	99,186	79,437
Fee Building
Segment Reporting Information [Line Items]
Revenue	19,662	43,794
Arizona \| Homebuilding Segment [Member]
Segment Reporting Information [Line Items]
Income before income taxes	(478)	(705)
Total assets	92,343		86,205
Arizona \| Home Sales \| Homebuilding Segment [Member]
Segment Reporting Information [Line Items]
Revenue	15,854	0
California \| Homebuilding Segment [Member]
Segment Reporting Information [Line Items]
Income before income taxes	(2,567)	(1,901)
Total assets	552,660		$ 551,807
California \| Home Sales \| Homebuilding Segment [Member]
Segment Reporting Information [Line Items]
Revenue	$ 83,332	$ 79,437