Goodwill and Other Intangible Assets (Details 1) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Balance, beginning of period	$ 53,090	$ 53,090	$ 53,090	$ 53,090	$ 48,963
Additions	0	0	0	0	6,720
Fully amortized portion	0	0	0	0	(1,293)
Write-off due to the asset financing segment reorganization	0	0	0	0	(804)
Balance, end of period	53,090	53,090	53,090	53,090	53,090
Accumulated Amortization, beginning of period	(38,889)	(37,387)	(32,659)	(35,886)	(31,715)
Amortization	(1,497)	(1,502)	(1,608)	(4,500)	(4,649)
Accumulated Amortization, end of period	(40,386)	(38,889)	(34,267)	(40,386)	(34,267)
Finite-Lived Intangible Assets, Net	12,704	14,201	18,823	12,704	18,823
CDI and CRI [Member]
Finite-Lived Intangible Assets [Line Items]
Fully amortized portion	0	0	0	0	(1,293)
Write-off due to the asset financing segment reorganization	$ 0	$ 0	$ 0	$ 0	$ (1,300)