Discontinued Operations (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
General and administrative expenses	$ 10,369	$ 8,982	$ 6,035
Income tax provision	(5,200)
(Loss) income from discontinued operations	(2,138)	(890)	97
Loss on sale of discontinued operations	(271)
Basic	$ (0.10)	$ (0.04)	$ 0.01
Diluted	$ (0.10)	$ (0.04)	$ 0.01
Discontinued Operations
Servicing fees	9,686	8,497	6,404
Management fees from affiliates	6,312	6,618	7,808
Incentive management fees from affiliates			733
Total revenues	15,998	15,115	14,945
General and administrative expenses	12,938	14,884	12,762
Income from discontinued operations before income taxes	3,060	231	2,183
Income tax provision	(5,198)	(1,121)	(2,086)
(Loss) income from discontinued operations	(2,138)	(890)	97
Loss on sale of discontinued operations	$ (271)
Basic	$ (0.10)	$ (0.04)	$ 0.01
Diluted	$ (0.10)	$ (0.04)	$ 0.01