Fixed Assets (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Depreciation and amortization		$ 6,500,000	$ 6,700,000	$ 7,400,000
Fixed assets		48,852,000	62,205,000
Less: Accumulated depreciation and amortization		(21,853,000)	(30,003,000)
Fixed assets, net		26,999,000	32,202,000
Depreciation and Amortization, Discontinued Operations	8,800,000
Property, Plant and Equipment, Transfers and Changes		13,700,000
Net Income (Loss) from Discontinued Operations, Net of Taxes [Member]
Property, Plant and Equipment [Line Items]
Depreciation and Amortization, Discontinued Operations				7,500,000
Depreciation and Amortization Expense [Member]
Property, Plant and Equipment [Line Items]
Depreciation and Amortization, Discontinued Operations				1,300,000
Telephone and computer equipment
Property, Plant and Equipment [Line Items]
Fixed assets		5,923,000	13,215,000
Computer software
Property, Plant and Equipment [Line Items]
Fixed assets		2,079,000	5,928,000
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Fixed assets		5,418,000	6,265,000
Leasehold improvements
Property, Plant and Equipment [Line Items]
Fixed assets		29,047,000	30,412,000
Assets acquired under capital leases-equipment
Property, Plant and Equipment [Line Items]
Fixed assets		6,337,000	6,337,000
Other
Property, Plant and Equipment [Line Items]
Fixed assets		48,000	48,000
Capitalized lease assets
Property, Plant and Equipment [Line Items]
Depreciation		$ 1,300,000	$ 1,300,000	$ 500,000