Summary of Significant Accounting Policies - TPG Investment in Company (Details) - USD ($) $ / shares in Units, $ in Millions			12 Months Ended
	Sep. 18, 2013	Jun. 19, 2013	Dec. 31, 2016	Dec. 31, 2015
TPG Investment in Company
Common stock par value (in dollars per share)			$ 1	$ 1
TPG Aviator, L.P.
TPG Investment in Company
Common stock par value (in dollars per share)		$ 1.00
Sales price per share (in dollars per share)		14.65
Preferred stock par value (in dollars per share)		0.10
Liquidation preference (in dollars per share)		$ 146.50
TPG's aggregate investment in AV homes		$ 135.0
Conversion of stock shares issued (in shares)	6,657,543
Transaction fees	$ 7.2
Beneficial conversion feature	$ 11.9
TPG Aviator, L.P. | Common Stock
TPG Investment in Company
Number of shares agreed to sell (shares)		2,557,474
TPG Aviator, L.P. | Series A Preferred Stock
TPG Investment in Company
Number of shares agreed to sell (shares)		665,754
Management Services Agreement | TPG Management
TPG Investment in Company
Monitoring fee (up to)		$ 0.5
TPG ownership percentage (at least)		30.00%
Payments for Fees			$ 0.4	$ 0.4