Other Assets (Details) (USD $)	1 Months Ended	6 Months Ended			3 Months Ended		6 Months Ended			6 Months Ended
	Feb. 28, 2014	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Jun. 30, 2014 BuyEfficient, LLC	Jun. 30, 2013 BuyEfficient, LLC	Jun. 30, 2014 BuyEfficient, LLC	Jun. 30, 2013 BuyEfficient, LLC	Dec. 31, 2013 BuyEfficient, LLC	Jun. 30, 2014 BuyEfficient, LLC Minimum	Jun. 30, 2014 BuyEfficient, LLC Maximum
Other assets, net
Earnest Money Deposits		$ 15,000,000
Property and equipment, net		2,308,000		2,478,000
Land held for development		188,000		188,000
Intangibles, net		6,977,000		7,277,000
Interest rate cap derivative agreements		2,000		16,000
Cash trap receivables				4,443,000
Interest receivable		229,000
Other receivables		2,270,000		3,942,000
Other		3,323,000		2,762,000
Total other assets, net		30,297,000		21,106,000
Property and equipment cost basis		11,249,000		10,933,000
Accumulated depreciation		(8,941,000)		(8,455,000)
Useful life of intangibles										7 years	20 years
Accumulated amortization					2,100,000		2,100,000		1,800,000
Amortization expense		3,510,000	6,421,000		100,000	100,000	300,000	300,000
Proceeds from collection of cash trap receivables	4,400,000
Acquisition deposits		$ 15,000,000	$ 20,000,000