Discontinued Operations and Assets and Liabilities Held-for-Sale - Consideration (Details) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended
	Apr. 10, 2017 USD ($) $ / shares shares	Jun. 30, 2017 USD ($) $ / shares
Business Combination, Merger Consideration [Line Items]
Transaction cost paid by the Company		$ (190)
Estimated tax distributions		4,700
UCP
Business Combination, Merger Consideration [Line Items]
Shares of UCP owned by the Company (shares) | shares	10,402
Carrying value of UCP at June 30, 2017 adjusted for estimated tax distributions of $4.7 million expected to be received in 2017		(126,118)
UCP
Business Combination, Merger Consideration [Line Items]
Cash expected to be received ($ per share) | $ / shares	$ 5.32
Cash expected to be received	$ 55,338
Shares of Century common stock expected to be received (0.2309 per share of UCP owned (shares) | shares	2,402
Merger stock exchange ratio	0.2309
Value of Century common stock received (priced as of June 30, 2017)		59,565
Total consideration expected to be received (priced as of June 30, 2017)	$ 114,903
Impairment loss on assets classified as held-for-sale		$ (11,405)
Century Communities, Inc.
Business Combination, Merger Consideration [Line Items]
Value of Century common stock received (priced as of the announcement date) (shares) | $ / shares		$ 24.8