Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended				12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013
Discontinued Operations And Disposal Groups [Abstract]
Net revenues					$ (121)	$ 11,794
Restructuring expense					217	6,881
Operating expenses					3,924	15,697
Total non-interest expenses					4,141	22,578
Loss from discontinued operations before income tax expense					(4,262)	(10,784)
Income tax expense/(benefit)					(1,199)	110
Loss from discontinued operations, net of tax	$ (306)	$ (190)	$ (1,976)	$ (591)	$ (3,063)	$ (10,894)