Basis of Financial Presentation and Summary of Significant Accounting Policies Basis of Financial Presentation and Summary of Significant Accounting Policies (Details) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 19, 2013	Dec. 31, 2012
Class of Stock [Line Items]
Common Stock, par value (in dollars per share)	$ 1		$ 1
TPG's aggregate investment in AV homes	$ 135,000
Shares issued upon conversion (shares)		10
Common Stock [Member]
Class of Stock [Line Items]
Number of shares agreed to sell (shares)		2,557,474
Common Stock, par value (in dollars per share)	$ 1.00
Sales price per share (in dollars per share)		$ 14.65
Series A Contingent Convertible Cumulative Redeemable Preferred Stock [Member]
Class of Stock [Line Items]
Number of shares agreed to sell (shares)		665,754.3
Sales price per share (in dollars per share)		$ 146.50
Preferred Stock, par value (in dollars per share)		$ 0.10
Liquidation purchase price percent of amount origionally paid (percent)	110.00%
Liquidation purchase price percent increase of common stock received upon conversion	10.00%
Preferred stock, liquidation purchase price, percentage increase dividend rate (percent)	10.00%
Sale of stock, transaction fees	$ 6,000,000
December 17, 2013-September 17, 2014 [Member] | Series A Contingent Convertible Cumulative Redeemable Preferred Stock [Member]
Class of Stock [Line Items]
Dividend rate (percent)	8.00%
September 18, 2014-September 17, 2015 [Member] | Series A Contingent Convertible Cumulative Redeemable Preferred Stock [Member]
Class of Stock [Line Items]
Dividend rate (percent)	12.00%
After September 18, 2015 [Member] | Series A Contingent Convertible Cumulative Redeemable Preferred Stock [Member]
Class of Stock [Line Items]
Dividend rate (percent)	15.00%