Basis of Presentation and Summary of Significant Accounting Policies (Details) $ / shares in Units, $ in Thousands	Apr. 10, 2017 USD ($) $ / shares	Aug. 04, 2017	Jul. 24, 2017 stock_right shares	Jun. 30, 2017 $ / shares shares	May 31, 2017 $ / shares shares	Dec. 31, 2016 $ / shares shares
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Preferred stock, shares authorized | shares				10,000,000	10,000,000	10,000,000
Preferred stock, par value (in dollars per share) | $ / shares				$ 0.001	$ 0.001	$ 0.001
Tax Preservation Plan | Subsequent Event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of stock rights issued for each share of common stock | stock_right			1
Tax Preservation Plan | Subsequent Event | Series A Junior Participating Preferred Stock
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Stock right, number of shares called by each right | shares			0.001
UCP
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Right to cash ($ per share) | $ / shares	$ 5.32
Merger stock exchange ratio	0.2309
Cash received | $	$ 114,903
Merger Of UCP And Century Communities
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash received | $	$ 55,300
Merger Of UCP And Century Communities | Subsequent Event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cost method, ownership percentage		9.00%