Other Assets (Details) (USD $)	1 Months Ended	12 Months Ended
	Feb. 28, 2014	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Other assets, net
Property and equipment, net		$ 2,127,000	$ 2,478,000
Land held for development		188,000	188,000
Intangibles, net		6,677,000	7,277,000
Interest rate cap derivative agreements			16,000
Cash trap receivables			4,443,000
Other receivables		2,094,000	3,942,000
Other		3,399,000	2,762,000
Total other assets, net		14,485,000	21,106,000
Property and equipment cost basis		11,573,000	10,933,000
Accumulated depreciation		(9,446,000)	(8,455,000)
Amortization expense		7,543,000	10,115,000	20,198,000
Proceeds from collection of cash trap receivables	4,400,000
Amortization expense
2015		7,334,000
2016		7,239,000
2017		7,206,000
2018		5,673,000
2019		4,341,000
BuyEfficient, LLC
Other assets, net
Intangibles, net		6,700,000	7,300,000
Accumulated amortization		2,400,000	1,800,000
Amortization expense		600,000	600,000	600,000
Amortization expense
2015		600,000
2016		600,000
2017		600,000
2018		351,000
2019		$ 337,000
BuyEfficient, LLC | Minimum
Other assets, net
Useful life of intangibles		7 years
BuyEfficient, LLC | Maximum
Other assets, net
Useful life of intangibles		20 years